fix: upgrade express from 4.17.2 to 4.17.3

Snyk has created this PR to upgrade express from 4.17.2 to 4.17.3. See this package in npm: https://www.npmjs.com/package/express See this project in Snyk: https://app.snyk.io/org/davehorton/project/cec90d0e-0ded-433e-a42e-fe78b28ae489?utm_source=github&utm_medium=referral&page=upgrade-pr
gather/config: bargein fixes
2026-02-09 15:10:14 +00:00 · 2022-03-10 05:20:43 +00:00 · 2022-03-09 13:35:54 -05:00 · 2022-03-08 20:19:13 -05:00 · 2022-03-08 18:51:45 -05:00 · 2022-03-08 14:10:22 -05:00
38 changed files with 1683 additions and 568 deletions
--- a/app.js
+++ b/app.js
@@ -31,6 +31,7 @@ const {

 // HTTP
 const express = require('express');
+const helmet = require('helmet');
 const app = express();
 Object.assign(app.locals, {
  logger,
@@ -73,6 +74,8 @@ srf.invite((req, res) => {
 });

 // HTTP
+app.use(helmet());
+app.use(helmet.hidePoweredBy());
 app.use(express.urlencoded({ extended: true }));
 app.use(express.json());
 app.use('/', httpRoutes);
@@ -121,4 +124,17 @@ function handle(signal) {
  srf.locals.disabled = true;
 }

+if (process.env.JAMBONZ_CLEANUP_INTERVAL_MINS) {
+  const {clearFiles} = require('./lib/utils/cron-jobs');
+
+  /* cleanup orphaned files or channels every so often */
+  setInterval(async() => {
+    try {
+      await clearFiles();
+    } catch (err) {
+      logger.error({err}, 'app.js: error clearing files');
+    }
+  }, 1000 * 60 * (process.env.JAMBONZ_CLEANUP_INTERVAL_MINS || 60));
+}
+
 module.exports = {srf, logger, disconnect};
--- a/lib/http-routes/api/create-call.js
+++ b/lib/http-routes/api/create-call.js
@@ -6,7 +6,8 @@ const {CallDirection, CallStatus} = require('../../utils/constants');
 const { v4: uuidv4 } = require('uuid');
 const SipError = require('drachtio-srf').SipError;
 const sysError = require('./error');
-const Requestor = require('../../utils/requestor');
+const HttpRequestor = require('../../utils/http-requestor');
+const WsRequestor = require('../../utils/ws-requestor');
 const dbUtils = require('../../utils/db-utils');

 router.post('/', async(req, res) => {
@@ -71,6 +72,17 @@ router.post('/', async(req, res) => {
        break;
    }

+    if (target.type === 'phone' && target.trunk) {
+      const {lookupCarrier} = dbUtils(this.logger, srf);
+      const voip_carrier_sid = await lookupCarrier(req.body.account_sid, target.trunk);
+      this.logger.info(
+        `createCall: selected ${voip_carrier_sid} for requested carrier: ${target.trunk || 'unspecified'})`);
+      if (voip_carrier_sid) {
+        opts.headers['X-Requested-Carrier-Sid'] = voip_carrier_sid;
+      }
+    }
+
+
    /* create endpoint for outdial */
    const ms = getFreeswitch();
    if (!ms) throw new Error('no available Freeswitch for outbound call creation');
@@ -104,11 +116,16 @@ router.post('/', async(req, res) => {
     * attach our requestor and notifier objects
     * these will be used for all http requests we make during this call
     */
-    app.requestor = new Requestor(logger, account.account_sid, app.call_hook, account.webhook_secret);
-    if (app.call_status_hook) {
-      app.notifier = new Requestor(logger, account.account_sid, app.call_status_hook, account.webhook_secret);
+    if ('WS' === app.call_hook?.method) {
+      app.requestor = new WsRequestor(logger, account.account_sid, app.call_hook, account.webhook_secret) ;
+      app.notifier = app.requestor;
+    }
+    else {
+      app.requestor = new HttpRequestor(logger, account.account_sid, app.call_hook, account.webhook_secret);
+      if (app.call_status_hook) app.notifier = new HttpRequestor(logger, account.account_sid, app.call_status_hook,
+        account.webhook_secret);
+      else app.notifier = {request: () => {}};
    }
-    else app.notifier = {request: () => {}};

    /* now launch the outdial */
    try {
@@ -122,6 +139,7 @@ router.post('/', async(req, res) => {
            res.status(500).send('Call Failure');
            return;
          }
+          inviteReq.srf = srf;
          /* ok our outbound INVITE is in flight */

          const tasks = [restDial];
@@ -153,7 +171,11 @@ router.post('/', async(req, res) => {
        }
      });
      connectStream(dlg.remote.sdp);
-      cs.emit('callStatusChange', {callStatus: CallStatus.InProgress, sipStatus: 200});
+      cs.emit('callStatusChange', {
+        callStatus: CallStatus.InProgress,
+        sipStatus: 200,
+        sipReason: 'OK'
+      });
      restDial.emit('callStatus', 200);
      restDial.emit('connect', dlg);
    }
@@ -164,10 +186,18 @@ router.post('/', async(req, res) => {
        else if (487 === err.status) callStatus = CallStatus.NoAnswer;
        if (sipLogger) sipLogger.info(`REST outdial failed with ${err.status}`);
        else console.log(`REST outdial failed with ${err.status}`);
-        if (cs) cs.emit('callStatusChange', {callStatus, sipStatus: err.status});
+        if (cs) cs.emit('callStatusChange', {
+          callStatus,
+          sipStatus: err.status,
+          sipReason: err.reason
+        });
      }
      else {
-        if (cs) cs.emit('callStatusChange', {callStatus, sipStatus: 500});
+        if (cs) cs.emit('callStatusChange', {
+          callStatus,
+          sipStatus: 500,
+          sipReason: 'Internal Server Error'
+        });
        if (sipLogger) sipLogger.error({err}, 'REST outdial failed');
        else console.error(err);
      }
--- a/lib/http-routes/api/messaging.js
+++ b/lib/http-routes/api/messaging.js
@@ -1,5 +1,6 @@
 const router = require('express').Router();
-const Requestor = require('../../utils/requestor');
+const HttpRequestor = require('../../utils/http-requestor');
+const WsRequestor = require('../../utils/ws-requestor');
 const CallInfo = require('../../session/call-info');
 const {CallDirection} = require('../../utils/constants');
 const SmsSession = require('../../session/sms-call-session');
@@ -18,7 +19,17 @@ router.post('/:partner', async(req, res) => {
  const app = req.body.app;
  const account = await lookupAccountBySid(app.accountSid);
  const hook = app.messaging_hook;
-  const requestor = new Requestor(logger, account.account_sid, hook, account.webhook_secret);
+  let requestor;
+
+  if ('WS' === hook?.method) {
+    app.requestor = new WsRequestor(logger, account.account_sid, hook, account.webhook_secret) ;
+    app.notifier = app.requestor;
+  }
+  else {
+    app.requestor = new HttpRequestor(logger, account.account_sid, hook, account.webhook_secret);
+    app.notifier = {request: () => {}};
+  }
+
  const payload = {
    carrier: req.params.partner,
    messageSid: app.messageSid,
@@ -33,7 +44,7 @@ router.post('/:partner', async(req, res) => {
  res.status(200).json({sid: req.body.messageSid});

  try {
-    tasks = await requestor.request(hook, payload);
+    tasks = await requestor.request('session:new', hook, payload);
    logger.info({tasks}, 'response from incoming SMS webhook');
  } catch (err) {
    logger.error({err, hook}, 'Error sending incoming SMS message');
--- a/lib/http-routes/api/update-call.js
+++ b/lib/http-routes/api/update-call.js
@@ -12,6 +12,9 @@ function retrieveCallSession(callSid, opts) {
    throw new DbErrorBadRequest('call_status_hook can be updated only when call_hook is also being updated');
  }
  const cs = sessionTracker.get(callSid);
+  if (!cs) {
+    throw new DbErrorUnprocessableRequest('call session is gone');
+  }

  if (opts.call_status === CallStatus.Completed && !cs.hasStableDialog) {
    throw new DbErrorUnprocessableRequest('current call state is incompatible with requested action');
@@ -45,8 +48,18 @@ router.post('/:callSid', async(req, res) => {
      logger.info(`updateCall: callSid not found ${callSid}`);
      return res.sendStatus(404);
    }
-    res.sendStatus(202);
-    cs.updateCall(req.body, callSid);
+
+    if (req.body.sip_request) {
+      const response = await cs.updateCall(req.body, callSid);
+      res.status(200).json({
+        status: response.status,
+        reason: response.reason
+      });
+    }
+    else {
+      res.sendStatus(202);
+      cs.updateCall(req.body, callSid);
+    }
  } catch (err) {
    sysError(logger, res, err);
  }
--- a/lib/middleware.js
+++ b/lib/middleware.js
@@ -1,7 +1,8 @@
 const { v4: uuidv4 } = require('uuid');
 const {CallDirection} = require('./utils/constants');
 const CallInfo = require('./session/call-info');
-const Requestor = require('./utils/requestor');
+const HttpRequestor = require('./utils/http-requestor');
+const WsRequestor = require('./utils/ws-requestor');
 const makeTask = require('./tasks/make_task');
 const parseUri = require('drachtio-srf').parseUri;
 const normalizeJambones = require('./utils/normalize-jambones');
@@ -105,7 +106,7 @@ module.exports = function(srf, logger) {
      }
      else {
        const uri = parseUri(req.uri);
-        const arr = /context-(.*)/.exec(uri.user);
+        const arr = /context-(.*)/.exec(uri?.user);
        if (arr) {
          // this is a transfer from another feature server
          const {retrieveKey, deleteKey} = srf.locals.dbHelpers;
@@ -142,10 +143,18 @@ module.exports = function(srf, logger) {
      * create a requestor that we will use for all http requests we make during the call.
      * also create a notifier for call status events (if not needed, its a no-op).
      */
-      app.requestor = new Requestor(logger, account_sid, app.call_hook, accountInfo.account.webhook_secret);
-      if (app.call_status_hook) app.notifier = new Requestor(logger, account_sid, app.call_status_hook,
-        accountInfo.account.webhook_secret);
-      else app.notifier = {request: () => {}};
+      if ('WS' === app.call_hook?.method ||
+        app.call_hook?.url.startsWith('ws://') || app.call_hook?.url.startsWith('wss://')) {
+        app.requestor = new WsRequestor(logger, account_sid, app.call_hook, accountInfo.account.webhook_secret) ;
+        app.notifier = app.requestor;
+        app.call_hook.method = 'WS';
+      }
+      else {
+        app.requestor = new HttpRequestor(logger, account_sid, app.call_hook, accountInfo.account.webhook_secret);
+        if (app.call_status_hook) app.notifier = new HttpRequestor(logger, account_sid, app.call_status_hook,
+          accountInfo.account.webhook_secret);
+        else app.notifier = {request: () => {}};
+      }

      req.locals.application = app;
      const obj = Object.assign({}, app);
@@ -176,15 +185,16 @@ module.exports = function(srf, logger) {
        return next();
      }
      /* retrieve the application to execute for this inbound call */
-      const params = Object.assign(app.call_hook.method === 'POST' ? {sip: req.msg} : {},
+      const params = Object.assign(['POST', 'WS'].includes(app.call_hook.method) ? {sip: req.msg} : {},
        req.locals.callInfo);
-      const json = await app.requestor.request(app.call_hook, params);
+      const json = await app.requestor.request('session:new', app.call_hook, params);
      app.tasks = normalizeJambones(logger, json).map((tdata) => makeTask(logger, tdata));
      if (0 === app.tasks.length) throw new Error('no application provided');
      next();
    } catch (err) {
-      logger.info({err}, `Error retrieving or parsing application: ${err.message}`);
-      res.send(480, {headers: {'X-Reason': err.message}});
+      logger.info({err}, `Error retrieving or parsing application: ${err?.message}`);
+      res.send(480, {headers: {'X-Reason': err?.message || 'unknown'}});
+      app.requestor.close();
    }
  }

--- a/lib/session/adulting-call-session.js
+++ b/lib/session/adulting-call-session.js
@@ -30,15 +30,25 @@ class AdultingCallSession extends CallSession {
    return this.sd.dlg;
  }

+  /**
+   * Note: this is not an error.  It is only here to avoid an assert ("no setter for dlg")
+   * when there is a call in Session:_clearResources to null out dlg and ep
+   */
+  set dlg(newDlg) {}
+
  get ep() {
    return this.sd.ep;
  }

+  /* see note above */
+  set ep(newEp) {}
+
  get callSid() {
    return this.callInfo.callSid;
  }

-
+  _callerHungup() {
+  }
 }

 module.exports = AdultingCallSession;
--- a/lib/session/call-info.js
+++ b/lib/session/call-info.js
@@ -1,7 +1,6 @@
 const {CallDirection, CallStatus} = require('../utils/constants');
 const parseUri = require('drachtio-srf').parseUri;
 const { v4: uuidv4 } = require('uuid');
-
 /**
 * @classdesc Represents the common information for all calls
 * that is provided in call status webhooks
@@ -9,6 +8,7 @@ const { v4: uuidv4 } = require('uuid');
 class CallInfo {
  constructor(opts) {
    let from ;
+    let srf;
    this.direction = opts.direction;
    if (opts.req) {
      const u = opts.req.getParsedHeader('from');
@@ -19,6 +19,7 @@ class CallInfo {
    if (this.direction === CallDirection.Inbound) {
      // inbound call
      const {app, req} = opts;
+      srf = req.srf;
      this.callSid = req.locals.callSid,
      this.accountSid = app.account_sid,
      this.applicationSid = app.application_sid;
@@ -26,6 +27,7 @@ class CallInfo {
      this.to = req.calledNumber;
      this.callId = req.get('Call-ID');
      this.sipStatus = 100;
+      this.sipReason = 'Trying';
      this.callStatus = CallStatus.Trying;
      this.originatingSipIp = req.get('X-Forwarded-For');
      this.originatingSipTrunkName = req.get('X-Originating-Carrier');
@@ -33,6 +35,7 @@ class CallInfo {
    else if (opts.parentCallInfo) {
      // outbound call that is a child of an existing call
      const {req, parentCallInfo, to, callSid} = opts;
+      srf = req.srf;
      this.callSid = callSid || uuidv4();
      this.parentCallSid = parentCallInfo.callSid;
      this.accountSid = parentCallInfo.accountSid;
@@ -43,10 +46,12 @@ class CallInfo {
      this.callId = req.get('Call-ID');
      this.callStatus = CallStatus.Trying,
      this.sipStatus = 100;
+      this.sipReason = 'Trying';
    }
    else if (this.direction === CallDirection.None) {
      // outbound SMS
      const {messageSid, accountSid, applicationSid, res} = opts;
+      srf = res.srf;
      this.messageSid = messageSid;
      this.accountSid = accountSid;
      this.applicationSid = applicationSid;
@@ -55,16 +60,23 @@ class CallInfo {
    else {
      // outbound call triggered by REST
      const {req, callSid, accountSid, applicationSid, to, tag} = opts;
+      srf = req.srf;
      this.callSid = callSid;
      this.accountSid = accountSid;
      this.applicationSid = applicationSid;
      this.callStatus = CallStatus.Trying,
      this.callId = req.get('Call-ID');
      this.sipStatus = 100;
+      this.sipReason = 'Trying';
      this.from = from || req.callingNumber;
      this.to = to;
      if (tag) this._customerData = tag;
    }
+
+    this.localSipAddress = srf.locals.localSipAddress;
+    if (srf.locals.publicIp) {
+      this.publicIp = srf.locals.publicIp;
+    }
  }

  /**
@@ -72,9 +84,10 @@ class CallInfo {
   * @param {string} callStatus - current call status
   * @param {number} sipStatus - current sip status
   */
-  updateCallStatus(callStatus, sipStatus) {
+  updateCallStatus(callStatus, sipStatus, sipReason) {
    this.callStatus = callStatus;
    if (sipStatus) this.sipStatus = sipStatus;
+    if (sipReason) this.sipReason = sipReason;
  }

  /**
@@ -97,10 +110,12 @@ class CallInfo {
      to: this.to,
      callId: this.callId,
      sipStatus: this.sipStatus,
+      sipReason: this.sipReason,
      callStatus: this.callStatus,
      callerId: this.callerId,
      accountSid: this.accountSid,
-      applicationSid: this.applicationSid
+      applicationSid: this.applicationSid,
+      fsSipAddress: this.localSipAddress
    };
    ['parentCallSid', 'originatingSipIp', 'originatingSipTrunkName'].forEach((prop) => {
      if (this[prop]) obj[prop] = this[prop];
@@ -110,6 +125,13 @@ class CallInfo {
    if (this._customerData) {
      Object.assign(obj, {customerData: this._customerData});
    }
+
+    if (process.env.JAMBONES_API_BASE_URL) {
+      Object.assign(obj, {apiBaseUrl: process.env.JAMBONES_API_BASE_URL});
+    }
+    if (this.publicIp) {
+      Object.assign(obj, {fsPublicIp: this.publicIp});
+    }
    return obj;
  }

--- a/lib/session/call-session.js
+++ b/lib/session/call-session.js
@@ -7,7 +7,8 @@ const sessionTracker = require('./session-tracker');
 const makeTask = require('../tasks/make_task');
 const normalizeJambones = require('../utils/normalize-jambones');
 const listTaskNames = require('../utils/summarize-tasks');
-const Requestor = require('../utils/requestor');
+const HttpRequestor = require('../utils/http-requestor');
+const WsRequestor = require('../utils/ws-requestor');
 const BADPRECONDITIONS = 'preconditions not met';
 const CALLER_CANCELLED_ERR_MSG = 'Response not sent due to unknown transaction';

@@ -48,6 +49,7 @@ class CallSession extends Emitter {
    this.taskIdx = 0;
    this.stackIdx = 0;
    this.callGone = false;
+    this.notifiedComplete = false;

    this.tmpFiles = new Set();

@@ -61,6 +63,8 @@ class CallSession extends Emitter {
    }

    this._pool = srf.locals.dbHelpers.pool;
+
+    this.requestor.on('command', this._onCommand.bind(this));
  }

  /**
@@ -113,18 +117,27 @@ class CallSession extends Emitter {
  get speechSynthesisVendor() {
    return this.application.speech_synthesis_vendor;
  }
+  set speechSynthesisVendor(vendor) {
+    this.application.speech_synthesis_vendor = vendor;
+  }
  /**
   * default voice to use for speech synthesis if not provided in the app
   */
  get speechSynthesisVoice() {
    return this.application.speech_synthesis_voice;
  }
+  set speechSynthesisVoice(voice) {
+    this.application.speech_synthesis_voice = voice;
+  }
  /**
   * default language to use for speech synthesis if not provided in the app
   */
  get speechSynthesisLanguage() {
    return this.application.speech_synthesis_language;
  }
+  set speechSynthesisLanguage(language) {
+    this.application.speech_synthesis_language = language;
+  }

  /**
   * default vendor to use for speech recognition if not provided in the app
@@ -132,12 +145,18 @@ class CallSession extends Emitter {
  get speechRecognizerVendor() {
    return this.application.speech_recognizer_vendor;
  }
+  set speechRecognizerVendor(vendor) {
+    this.application.speech_recognizer_vendor = vendor;
+  }
  /**
 * default language to use for speech recognition if not provided in the app
 */
  get speechRecognizerLanguage() {
    return this.application.speech_recognizer_language;
  }
+  set speechRecognizerLanguage(language) {
+    this.application.speech_recognizer_language = language;
+  }

  /**
   * indicates whether the call currently in progress
@@ -203,6 +222,46 @@ class CallSession extends Emitter {
    return this.memberId && this.confName && this.confUuid;
  }

+  get isBotModeEnabled() {
+    return this.backgroundGatherTask;
+  }
+
+  async enableBotMode(gather) {
+    try {
+      const t = normalizeJambones(this.logger, [gather]);
+      this.backgroundGatherTask = makeTask(this.logger, t[0]);
+      this.backgroundGatherTask
+        .on('dtmf', this._clearTasks.bind(this))
+        .on('transcription', this._clearTasks.bind(this))
+        .on('timeout', this._clearTasks.bind(this));
+      this.logger.info({gather}, 'CallSession:enableBotMode - starting background gather');
+      const resources = await this._evaluatePreconditions(this.backgroundGatherTask);
+      this.backgroundGatherTask.exec(this, resources)
+        .then(() => {
+          this.logger.info('CallSession:enableBotMode: gather completed');
+          this.backgroundGatherTask && this.backgroundGatherTask.removeAllListeners();
+          this.backgroundGatherTask = null;
+          return;
+        })
+        .catch((err) => {
+          this.logger.info({err}, 'CallSession:enableBotMode: gather threw error');
+          this.backgroundGatherTask && this.backgroundGatherTask.removeAllListeners();
+          this.backgroundGatherTask = null;
+        });
+    } catch (err) {
+      this.logger.info({err, gather}, 'CallSession:enableBotMode - Error creating gather task');
+    }
+  }
+  disableBotMode() {
+    if (this.backgroundGatherTask) {
+      try {
+        this.backgroundGatherTask.removeAllListeners();
+        this.backgroundGatherTask.kill();
+      } catch (err) {}
+      this.backgroundGatherTask = null;
+    }
+  }
+
  setConferenceDetails(memberId, confName, confUuid) {
    assert(!this.memberId && !this.confName && !this.confUuid);
    assert (memberId && confName && confUuid);
@@ -288,6 +347,7 @@ class CallSession extends Emitter {
   */
  async exec() {
    this.logger.info({tasks: listTaskNames(this.tasks)}, `CallSession:exec starting ${this.tasks.length} tasks`);
+
    while (this.tasks.length && !this.callGone) {
      const taskNum = ++this.taskIdx;
      const stackNum = this.stackIdx;
@@ -296,12 +356,19 @@ class CallSession extends Emitter {
      try {
        const resources = await this._evaluatePreconditions(task);
        this.currentTask = task;
-        await task.exec(this, resources);
+        if (TaskName.Gather === task.name && this.isBotModeEnabled) {
+          const timeout = task.timeout;
+          this.logger.info(`CallSession:exec skipping #${stackNum}:${taskNum}: ${task.name}`);
+          this.backgroundGatherTask.updateTimeout(timeout);
+        }
+        else {
+          await task.exec(this, resources);
+        }
        this.currentTask = null;
        this.logger.info(`CallSession:exec completed task #${stackNum}:${taskNum}: ${task.name}`);
      } catch (err) {
        this.currentTask = null;
-        if (err.message.includes(BADPRECONDITIONS)) {
+        if (err.message?.includes(BADPRECONDITIONS)) {
          this.logger.info(`CallSession:exec task #${stackNum}:${taskNum}: ${task.name}: ${err.message}`);
        }
        else {
@@ -309,6 +376,16 @@ class CallSession extends Emitter {
          break;
        }
      }
+
+      if (0 === this.tasks.length && this.hasStableDialog && this.requestor instanceof WsRequestor) {
+        try {
+          await this._awaitCommandsOrHangup();
+          if (!this.hasStableDialog || this.callGone) break;
+        } catch (err) {
+          this.logger.info(err, 'CallSession:exec - error waiting for new commands');
+          break;
+        }
+      }
    }

    // all done - cleanup
@@ -367,6 +444,11 @@ class CallSession extends Emitter {
      this.currentTask.kill(this);
      this.currentTask = null;
    }
+    if (this.wakeupResolver) {
+      this.wakeupResolver();
+      this.wakeupResolver = null;
+    }
+    this.requestor && this.requestor.close();
  }

  /**
@@ -403,29 +485,42 @@ class CallSession extends Emitter {
   */
  async _lccCallHook(opts) {
    const webhooks = [];
-    let sd;
-    if (opts.call_hook) webhooks.push(this.requestor.request(opts.call_hook, this.callInfo.toJSON()));
-    if (opts.child_call_hook) {
-      /* child call hook only allowed from a connected Dial state */
-      const task = this.currentTask;
-      sd = task.sd;
-      if (task && TaskName.Dial === task.name && sd) {
-        webhooks.push(this.requestor.request(opts.child_call_hook, sd.callInfo.toJSON()));
+    let sd, tasks, childTasks;
+
+    if (opts.call_hook || opts.child_call_hook) {
+      if (opts.call_hook) {
+        webhooks.push(this.requestor.request('session:redirect', opts.call_hook, this.callInfo.toJSON()));
      }
+      if (opts.child_call_hook) {
+        /* child call hook only allowed from a connected Dial state */
+        const task = this.currentTask;
+        sd = task.sd;
+        if (task && TaskName.Dial === task.name && sd) {
+          webhooks.push(this.requestor.request('session:redirect', opts.child_call_hook, sd.callInfo.toJSON()));
+        }
+      }
+      const [tasks1, tasks2] = await Promise.all(webhooks);
+      if (opts.call_hook) {
+        tasks = tasks1;
+        if (opts.child_call_hook) childTasks = tasks2;
+      }
+      else childTasks = tasks1;
    }
-    const [tasks1, tasks2] = await Promise.all(webhooks);
-    let tasks, childTasks;
-    if (opts.call_hook) {
-      tasks = tasks1;
-      if (opts.child_call_hook) childTasks = tasks2;
+    else if (opts.parent_call || opts.child_call) {
+      const {parent_call, child_call} = opts;
+      assert.ok(!parent_call || Array.isArray(parent_call), 'CallSession:_lccCallHook - parent_call must be an array');
+      assert.ok(!child_call || Array.isArray(child_call), 'CallSession:_lccCallHook - child_call must be an array');
+      tasks = parent_call;
+      childTasks = child_call;
    }
-    else childTasks = tasks1;

    if (childTasks) {
      const {parentLogger} = this.srf.locals;
      const childLogger = parentLogger.child({callId: this.callId, callSid: sd.callSid});
      const t = normalizeJambones(childLogger, childTasks).map((tdata) => makeTask(childLogger, tdata));
      childLogger.info({tasks: listTaskNames(t)}, 'CallSession:_lccCallHook new task list for child call');
+
+      // TODO: if using websockets api, we need a new websocket for the adulting session..
      const cs = await sd.doAdulting({
        logger: childLogger,
        application: this.application,
@@ -473,7 +568,7 @@ class CallSession extends Emitter {
    task.mute(callSid, mute).catch((err) => this.logger.error(err, 'CallSession:_lccMuteStatus'));
  }

-  async _lccConfHoldStatus(callSid, opts) {
+  async _lccConfHoldStatus(opts) {
    const task = this.currentTask;
    if (!task || TaskName.Conference !== task.name || !this.isInConference) {
      return this.logger.info('CallSession:_lccConfHoldStatus - invalid command as call is not in conference');
@@ -481,7 +576,7 @@ class CallSession extends Emitter {
    task.doConferenceHold(this, opts);
  }

-  async _lccConfMuteStatus(callSid, opts) {
+  async _lccConfMuteStatus(opts) {
    const task = this.currentTask;
    if (!task || TaskName.Conference !== task.name || !this.isInConference) {
      return this.logger.info('CallSession:_lccConfHoldStatus - invalid command as call is not in conference');
@@ -489,6 +584,29 @@ class CallSession extends Emitter {
    task.doConferenceMuteNonModerators(this, opts);
  }

+  async _lccSipRequest(opts) {
+    const {sip_request} = opts;
+    const {method, content_type, content, headers = {}} = sip_request;
+    if (!this.hasStableDialog) {
+      this.logger.info('CallSession:_lccSipRequest - invalid command as we do not have a stable call');
+      return;
+    }
+    try {
+      const res = await this.dlg.request({
+        method,
+        headers: {
+          ...headers,
+          'Content-Type': content_type,
+          'Content': content
+        }
+      });
+      this.logger.debug({res}, `CallSession:_lccSipRequest got response to ${method}`);
+      return res;
+    } catch (err) {
+      this.logger.error({err}, `CallSession:_lccSipRequest - error sending ${method}`);
+    }
+  }
+
  /**
   * perform live call control -- whisper to one party or the other on a call
   * @param {array} opts - array of play or say tasks
@@ -559,10 +677,14 @@ class CallSession extends Emitter {
      await this._lccMuteStatus(callSid, opts.mute_status === 'mute');
    }
    else if (opts.conf_hold_status) {
-      await this._lccConfHoldStatus(callSid, opts);
+      await this._lccConfHoldStatus(opts);
    }
    else if (opts.conf_mute_status) {
-      await this._lccConfMuteStatus(callSid, opts);
+      await this._lccConfMuteStatus(opts);
+    }
+    else if (opts.sip_request) {
+      const res = await this._lccSipRequest(opts);
+      return {status: res.status, reason: res.reason};
    }

    // whisper may be the only thing we are asked to do, or it may that
@@ -603,6 +725,67 @@ class CallSession extends Emitter {
    this.taskIdx = 0;
  }

+  _onCommand({msgid, command, queueCommand, data}) {
+    this.logger.info({msgid, command, queueCommand}, 'CallSession:_onCommand - received command');
+    switch (command) {
+      case 'redirect':
+        if (Array.isArray(data)) {
+          const t = normalizeJambones(this.logger, data)
+            .map((tdata) => makeTask(this.logger, tdata));
+          if (!queueCommand) {
+            this.logger.info({tasks: listTaskNames(t)}, 'CallSession:_onCommand new task list');
+            this.replaceApplication(t);
+          }
+          else {
+            this.logger.info({tasks: listTaskNames(t)}, 'CallSession:_onCommand - queueing tasks');
+            this.tasks.push(...t);
+            this.logger.debug({tasks: listTaskNames(this.tasks)}, 'CallSession:_onCommand - updated task list');
+          }
+        }
+        else this._lccCallHook(data);
+        break;
+
+      case 'call:status':
+        this._lccCallStatus(data);
+        break;
+
+      case 'mute:status':
+        this._lccMuteStatus(this.callSid, data);
+        break;
+
+      case 'conf:mute-status':
+        this._lccConfMuteStatus(data);
+        break;
+
+      case 'conf:hold-status':
+        this._lccConfHoldStatus(data);
+        break;
+
+      case 'listen:status':
+        this._lccListenStatus(data);
+        break;
+
+      case 'whisper':
+        this._lccWhisper(data, this.callSid);
+        break;
+
+      case 'sip:request':
+        this._lccSipRequest(data)
+          .catch((err) => {
+            this.logger.info({err, data}, `CallSession:_onCommand - error sending ${data.method}`);
+          });
+        break;
+
+      default:
+        this.logger.info(`CallSession:_onCommand - invalid command ${command}`);
+    }
+    if (this.wakeupResolver) {
+      this.logger.info('CallSession:_onCommand - got commands, waking up..');
+      this.wakeupResolver();
+      this.wakeupResolver = null;
+    }
+  }
+
  _evaluatePreconditions(task) {
    switch (task.preconditions) {
      case TaskPreconditions.None:
@@ -667,7 +850,11 @@ class CallSession extends Emitter {
    } catch (err) {
      if (err === CALLER_CANCELLED_ERR_MSG) {
        this.logger.error(err, 'caller canceled quickly before we could respond, ending call');
-        this._notifyCallStatusChange({callStatus: CallStatus.NoAnswer, sipStatus: 487});
+        this._notifyCallStatusChange({
+          callStatus: CallStatus.NoAnswer,
+          sipStatus: 487,
+          sipReason: 'Request Terminated'
+        });
        this._callReleased();
      }
      else {
@@ -739,6 +926,7 @@ class CallSession extends Emitter {
      });
    }
    this.tmpFiles.clear();
+    this.requestor && this.requestor.close();
  }

  /**
@@ -776,9 +964,10 @@ class CallSession extends Emitter {
      this.dlg.on('destroy', this._callerHungup.bind(this));
      this.wrapDialog(this.dlg);
      this.dlg.callSid = this.callSid;
-      this.emit('callStatusChange', {sipStatus: 200, callStatus: CallStatus.InProgress});
+      this.emit('callStatusChange', {sipStatus: 200, sipReason: 'OK', callStatus: CallStatus.InProgress});

      this.dlg.on('modify', this._onReinvite.bind(this));
+      this.dlg.on('refer', this._onRefer.bind(this));

      this.logger.debug(`CallSession:propagateAnswer - answered callSid ${this.callSid}`);
    }
@@ -804,6 +993,22 @@ class CallSession extends Emitter {
    }
  }

+  /**
+   * Handle incoming REFER if we are in a dial task
+   * @param {*} req
+   * @param {*} res
+   */
+  _onRefer(req, res) {
+    const task = this.currentTask;
+    const sd = task.sd;
+    if (task && TaskName.Dial === task.name && sd) {
+      task.handleRefer(this, req, res);
+    }
+    else {
+      res.send(501);
+    }
+  }
+
  /**
   * create and endpoint if we don't have one; otherwise simply return
   * the current media server and endpoint that are associated with this call
@@ -840,7 +1045,7 @@ class CallSession extends Emitter {
        }
        else {
          this.logger.info({accountSid: this.accountSid, webhook: r[0]}, 'performQueueWebhook: webhook found');
-          this.queueEventHookRequestor = new Requestor(this.logger, this.accountSid,
+          this.queueEventHookRequestor = new HttpRequestor(this.logger, this.accountSid,
            r[0], this.webhook_secret);
          this.queueEventHook = r[0];
        }
@@ -854,7 +1059,7 @@ class CallSession extends Emitter {
    /* send webhook */
    const params =  {...obj, ...this.callInfo.toJSON()};
    this.logger.info({accountSid: this.accountSid, params}, 'performQueueWebhook: sending webhook');
-    this.queueEventHookRequestor.request(this.queueEventHook, params)
+    this.queueEventHookRequestor.request('queue:status', this.queueEventHook, params)
      .catch((err) => {
        this.logger.info({err, accountSid: this.accountSid, obj}, 'Error sending queue notification event');
      });
@@ -943,6 +1148,10 @@ class CallSession extends Emitter {
        this.emit('callStatusChange', {callStatus: CallStatus.Completed, duration});
        this.logger.debug('CallSession: call terminated by jambones');
        origDestroy();
+        if (this.wakeupResolver) {
+          this.wakeupResolver();
+          this.wakeupResolver = null;
+        }
      }
    };
  }
@@ -985,17 +1194,23 @@ class CallSession extends Emitter {
   * @param {number} sipStatus - current sip status
   * @param {number} [duration] - duration of a completed call, in seconds
   */
-  _notifyCallStatusChange({callStatus, sipStatus, duration}) {
+  _notifyCallStatusChange({callStatus, sipStatus, sipReason, duration}) {
    if (this.callMoved) return;

+    /* race condition: we hang up at the same time as the caller */
+    if (callStatus === CallStatus.Completed) {
+      if (this.notifiedComplete) return;
+      this.notifiedComplete = true;
+    }
+
    assert((typeof duration === 'number' && callStatus === CallStatus.Completed) ||
      (!duration && callStatus !== CallStatus.Completed),
    'duration MUST be supplied when call completed AND ONLY when call completed');

-    this.callInfo.updateCallStatus(callStatus, sipStatus);
+    this.callInfo.updateCallStatus(callStatus, sipStatus, sipReason);
    if (typeof duration === 'number') this.callInfo.duration = duration;
    try {
-      this.notifier.request(this.call_status_hook, this.callInfo.toJSON());
+      this.notifier.request('call:status', this.call_status_hook, this.callInfo.toJSON());
    } catch (err) {
      this.logger.info(err, `CallSession:_notifyCallStatusChange error sending ${callStatus} ${sipStatus}`);
    }
@@ -1005,6 +1220,23 @@ class CallSession extends Emitter {
    this.updateCallStatus(Object.assign({}, this.callInfo.toJSON()), this.serviceUrl)
      .catch((err) => this.logger.error(err, 'redis error'));
  }
+
+  _awaitCommandsOrHangup() {
+    assert(!this.wakeupResolver);
+    return new Promise((resolve, reject) => {
+      this.logger.info('_awaitCommandsOrHangup - waiting...');
+      this.wakeupResolver = resolve;
+    });
+  }
+
+  _clearTasks(evt) {
+    if (this.requestor instanceof WsRequestor) {
+      this.logger.info({evt}, 'CallSession:_clearTasks on event from background gather');
+      try {
+        this.kill();
+      } catch (err) {}
+    }
+  }
 }

 module.exports = CallSession;
--- a/lib/session/confirm-call-session.js
+++ b/lib/session/confirm-call-session.js
@@ -30,6 +30,10 @@ class ConfirmCallSession extends CallSession {
  _clearResources() {
  }

+  _callerHungup() {
+  }
+
+
 }

 module.exports = ConfirmCallSession;
--- a/lib/session/inbound-call-session.js
+++ b/lib/session/inbound-call-session.js
@@ -24,11 +24,19 @@ class InboundCallSession extends CallSession {
    req.once('cancel', this._onCancel.bind(this));

    this.on('callStatusChange', this._notifyCallStatusChange.bind(this));
-    this._notifyCallStatusChange({callStatus: CallStatus.Trying, sipStatus: 100});
+    this._notifyCallStatusChange({
+      callStatus: CallStatus.Trying,
+      sipStatus: 100,
+      sipReason: 'Trying'
+    });
  }

  _onCancel() {
-    this._notifyCallStatusChange({callStatus: CallStatus.NoAnswer, sipStatus: 487});
+    this._notifyCallStatusChange({
+      callStatus: CallStatus.NoAnswer,
+      sipStatus: 487,
+      sipReason: 'Request Terminated'
+    });
    this._callReleased();
  }

@@ -56,7 +64,10 @@ class InboundCallSession extends CallSession {
  _callerHungup() {
    assert(this.dlg.connectTime);
    const duration = moment().diff(this.dlg.connectTime, 'seconds');
-    this.emit('callStatusChange', {callStatus: CallStatus.Completed, duration});
+    this.emit('callStatusChange', {
+      callStatus: CallStatus.Completed,
+      duration
+    });
    this.logger.debug('InboundCallSession: caller hung up');
    this._callReleased();
    this.req.removeAllListeners('cancel');
--- a/lib/session/rest-call-session.js
+++ b/lib/session/rest-call-session.js
@@ -22,7 +22,11 @@ class RestCallSession extends CallSession {
    this.ep = ep;

    this.on('callStatusChange', this._notifyCallStatusChange.bind(this));
-    this._notifyCallStatusChange({callStatus: CallStatus.Trying, sipStatus: 100});
+    this._notifyCallStatusChange({
+      callStatus: CallStatus.Trying,
+      sipStatus: 100,
+      sipReason: 'Trying'
+    });
  }

  /**
--- a/lib/tasks/cognigy.js
+++ b/lib/tasks/cognigy.js
@@ -1,248 +0,0 @@
-const Task = require('./task');
-const {TaskName, TaskPreconditions} = require('../utils/constants');
-const makeTask = require('./make_task');
-const { SocketClient } = require('@cognigy/socket-client');
-
-const parseGallery = (obj = {}) => {
-  const {_default} = obj;
-  if (_default) {
-    const {_gallery} = _default;
-    if (_gallery) return _gallery.fallbackText;
-  }
-};
-
-const parseQuickReplies = (obj) => {
-  const {_default} = obj;
-  if (_default) {
-    const {_quickReplies} = _default;
-    if (_quickReplies) return _quickReplies.text || _quickReplies.fallbackText;
-  }
-};
-
-const parseBotText = (evt) => {
-  const {text, data} = evt;
-  if (text) return text;
-
-  switch (data?.type) {
-    case 'quickReplies':
-      return parseQuickReplies(data?._cognigy);
-    case 'gallery':
-      return parseGallery(data?._cognigy);
-    default:
-      break;
-  }
-};
-
-class Cognigy extends Task {
-  constructor(logger, opts) {
-    super(logger, opts);
-    this.preconditions = TaskPreconditions.Endpoint;
-
-    this.url = this.data.url;
-    this.token = this.data.token;
-    this.prompt = this.data.prompt;
-    this.eventHook = this.data?.eventHook;
-    this.actionHook = this.data?.actionHook;
-    this.data = this.data.data || {};
-    this.prompts = [];
-  }
-
-  get name() { return TaskName.Cognigy; }
-
-  get hasReportedFinalAction() {
-    return this.reportedFinalAction || this.isReplacingApplication;
-  }
-
-  async exec(cs, ep) {
-    await super.exec(cs);
-
-    this.ep = ep;
-    try {
-      /* set event handlers and start transcribing */
-      this.on('transcription', this._onTranscription.bind(this, cs, ep));
-      this.on('error', this._onError.bind(this, cs, ep));
-
-      this.transcribeTask = this._makeTranscribeTask();
-      this.transcribeTask.exec(cs, ep, this)
-        .catch((err) => {
-          this.logger.info({err}, 'Cognigy transcribe task returned error');
-          this.notifyTaskDone();
-        });
-      if (this.prompt) {
-        this.sayTask = this._makeSayTask(this.prompt);
-        this.sayTask.exec(cs, ep, this)
-          .catch((err) => {
-            this.logger.info({err}, 'Cognigy say task returned error');
-            this.notifyTaskDone();
-          });
-      }
-
-      /* connect to the bot and send initial data */
-      this.client = new SocketClient(
-        this.url,
-        this.token,
-        {
-          sessionId: cs.callSid,
-          channel: 'jambonz',
-          forceWebsockets: true,
-          reconnection: true,
-          settings: {
-            enableTypingIndicator: false
-          }
-        }
-      );
-      this.client.on('output', this._onBotUtterance.bind(this, cs, ep));
-      this.client.on('typingStatus', this._onBotTypingStatus.bind(this, cs, ep));
-      this.client.on('error', this._onBotError.bind(this, cs, ep));
-      this.client.on('finalPing', this._onBotFinalPing.bind(this, cs, ep));
-      await this.client.connect();
-      this.client.sendMessage('', {...this.data, ...cs.callInfo});
-
-      await this.awaitTaskDone();
-    } catch (err) {
-      this.logger.error({err}, 'Cognigy error');
-      throw err;
-    }
-  }
-
-  async kill(cs) {
-    super.kill(cs);
-    this.logger.debug('Cognigy:kill');
-
-    this.removeAllListeners();
-    this.transcribeTask && this.transcribeTask.kill();
-
-    this.client.removeAllListeners();
-    if (this.client && this.client.connected) this.client.disconnect();
-
-    if (!this.hasReportedFinalAction) {
-      this.reportedFinalAction = true;
-      this.performAction({cognigyResult: 'caller hungup'})
-        .catch((err) => this.logger.info({err}, 'cognigy - error w/ action webook'));
-    }
-
-    if (this.ep.connected) {
-      await this.ep.api('uuid_break', this.ep.uuid).catch((err) => this.logger.info(err, 'Error killing audio'));
-    }
-    this.notifyTaskDone();
-  }
-
-  _makeTranscribeTask() {
-    const opts = {
-      recognizer: this.data.recognizer || {
-        vendor: 'default',
-        language: 'default',
-        outputFormat: 'detailed'
-      }
-    };
-    this.logger.debug({opts}, 'constructing a nested transcribe object');
-    const transcribe = makeTask(this.logger, {transcribe: opts}, this);
-    return transcribe;
-  }
-
-  _makeSayTask(text) {
-    const opts = {
-      text,
-      synthesizer: this.data.synthesizer ||
-      {
-        vendor: 'default',
-        language: 'default',
-        voice: 'default'
-      }
-    };
-    this.logger.debug({opts}, 'constructing a nested say object');
-    const say = makeTask(this.logger, {say: opts}, this);
-    return say;
-  }
-
-  async _onBotError(cs, ep, evt) {
-    this.logger.info({evt}, 'Cognigy:_onBotError');
-    this.performAction({cognigyResult: 'botError', message: evt.message });
-    this.reportedFinalAction = true;
-    this.notifyTaskDone();
-  }
-
-  async _onBotTypingStatus(cs, ep, evt) {
-    this.logger.info({evt}, 'Cognigy:_onBotTypingStatus');
-  }
-  async _onBotFinalPing(cs, ep) {
-    this.logger.info('Cognigy:_onBotFinalPing');
-    if (this.prompts.length) {
-      const text = this.prompts.join('.');
-      this.prompts = [];
-      if (text && !this.killed) {
-        this.sayTask = this._makeSayTask(text);
-        this.sayTask.exec(cs, ep, this)
-          .catch((err) => {
-            this.logger.info({err}, 'Cognigy say task returned error');
-            this.notifyTaskDone();
-          });
-      }
-    }
-  }
-
-  async _onBotUtterance(cs, ep, evt) {
-    this.logger.debug({evt}, 'Cognigy:_onBotUtterance');
-
-    if (this.eventHook) {
-      this.performHook(cs, this.eventHook, {event: 'botMessage', message: evt})
-        .then((redirected) => {
-          if (redirected) {
-            this.logger.info('Cognigy_onTranscription: event handler for bot message redirected us to new webhook');
-            this.reportedFinalAction = true;
-            this.performAction({cognigyResult: 'redirect'}, false);
-          }
-          return;
-        })
-        .catch(({err}) => {
-          this.logger.info({err}, 'Cognigy_onTranscription: error sending event hook');
-        });
-    }
-    const text = parseBotText(evt);
-    this.prompts.push(text);
-  }
-
-  async _onTranscription(cs, ep, evt) {
-    this.logger.debug({evt}, `Cognigy: got transcription for callSid ${cs.callSid}`);
-    const utterance = evt.alternatives[0].transcript;
-
-    if (this.eventHook) {
-      this.performHook(cs, this.eventHook, {event: 'userMessage', message: utterance})
-        .then((redirected) => {
-          if (redirected) {
-            this.logger.info('Cognigy_onTranscription: event handler for user message redirected us to new webhook');
-            this.reportedFinalAction = true;
-            this.performAction({cognigyResult: 'redirect'}, false);
-            if (this.transcribeTask) this.transcribeTask.kill(cs);
-          }
-          return;
-        })
-        .catch(({err}) => {
-          this.logger.info({err}, 'Cognigy_onTranscription: error sending event hook');
-        });
-    }
-
-    /* send the user utterance to the bot */
-    try {
-      if (this.client && this.client.connected) {
-        this.client.sendMessage(utterance);
-      }
-      else {
-        this.logger.info('Cognigy_onTranscription - not sending user utterance as bot is disconnected');
-      }
-    } catch (err) {
-      this.logger.error({err}, 'Cognigy_onTranscription: Error sending user utterance to Cognigy - ending task');
-      this.performAction({cognigyResult: 'socketError'});
-      this.reportedFinalAction = true;
-      this.notifyTaskDone();
-    }
-  }
-  _onError(cs, ep, err) {
-    this.logger.debug({err}, 'Cognigy: got error');
-    if (!this.hasReportedFinalAction) this.performAction({cognigyResult: 'error', err});
-    this.reportedFinalAction = true;
-    this.notifyTaskDone();
-  }
-}
-
-module.exports = Cognigy;
--- a/lib/tasks/conference.js
+++ b/lib/tasks/conference.js
@@ -453,7 +453,7 @@ class Conference extends Task {
        this._playSession = null;
        break;
      }
-    } while (!this.killed && !this.conf_hold_status === 'hold');
+    } while (!this.killed && this.conf_hold_status !== 'hold');
  }

  /**
@@ -529,7 +529,7 @@ class Conference extends Task {

  async _playHook(cs, dlg, hook, allowed = [TaskName.Play, TaskName.Say, TaskName.Pause]) {
    assert(!this._playSession);
-    const json = await cs.application.requestor.request(hook, cs.callInfo);
+    const json = await cs.application.requestor.request('verb:hook', hook, cs.callInfo);
    const tasks = normalizeJambones(this.logger, json).map((tdata) => makeTask(this.logger, tdata));

    const allowedTasks = tasks.filter((t) => allowed.includes(t.name));
@@ -586,7 +586,7 @@ class Conference extends Task {
      params.duration = (Date.now() - this.conferenceStartTime.getTime()) / 1000;
      if (!params.time) params.time = (new Date()).toISOString();
      if (!params.members && typeof this.participantCount === 'number') params.members = this.participantCount;
-      cs.application.requestor.request(this.statusHook, Object.assign(params, this.statusParams))
+      cs.application.requestor.request('verb:hook', this.statusHook, Object.assign(params, this.statusParams))
        .catch((err) => this.logger.info(err, 'Conference:notifyConferenceEvent - error'));
    }
  }
--- a/lib/tasks/config.js
+++ b/lib/tasks/config.js
@@ -0,0 +1,80 @@
+const Task = require('./task');
+const {TaskName, TaskPreconditions} = require('../utils/constants');
+
+class TaskConfig extends Task {
+  constructor(logger, opts) {
+    super(logger, opts);
+    this.preconditions = TaskPreconditions.Endpoint;
+
+    [
+      'synthesizer',
+      'recognizer',
+      'bargeIn'
+    ].forEach((k) => this[k] = this.data[k] || {});
+
+    if (this.hasBargeIn && this.bargeIn.enable === true) {
+      this.gatherOpts = {
+        verb: 'gather',
+        timeout: 0,
+        bargein: true
+      };
+      [
+        'finishOnKey', 'input', 'numDigits', 'minDigits', 'maxDigits',
+        'interDigitTimeout', 'bargein', 'dtmfBargein', 'minBargeinWordCount', 'actionHook'
+      ].forEach((k) => {
+        if (this.bargeIn[k]) this.gatherOpts[k] = this.bargeIn[k];
+      });
+    }
+    this.preconditions = this.hasBargeIn ? TaskPreconditions.Endpoint : TaskPreconditions.None;
+  }
+
+  get name() { return TaskName.Config; }
+
+  get hasSynthesizer() { return Object.keys(this.synthesizer).length; }
+
+  get hasRecognizer() { return Object.keys(this.recognizer).length; }
+
+  get hasBargeIn() { return Object.keys(this.bargeIn).length; }
+
+  async exec(cs) {
+    await super.exec(cs);
+
+    if (this.hasSynthesizer) {
+      cs.speechSynthesisVendor = this.synthesizer.vendor !== 'default'
+        ? this.synthesizer.vendor
+        : cs.speechSynthesisVendor;
+      cs.speechSynthesisLanguage = this.synthesizer.language !== 'default'
+        ?  this.synthesizer.language
+        : cs.speechSynthesisLanguage;
+      cs.speechSynthesisVoice = this.synthesizer.voice !== 'default'
+        ? this.synthesizer.voice
+        : cs.speechSynthesisVoice;
+      this.logger.info({synthesizer: this.synthesizer}, 'Config: updated synthesizer');
+    }
+    if (this.hasRecognizer) {
+      cs.speechRecognizerVendor = this.recognizer.vendor !== 'default'
+        ? this.recognizer.vendor
+        : cs.speechRecognizerVendor;
+      cs.speechRecognizerLanguage = this.recognizer.language !== 'default'
+        ? this.recognizer.language
+        : cs.speechRecognizerLanguage;
+      this.logger.info({recognizer: this.recognizer}, 'Config: updated recognizer');
+    }
+    if (this.hasBargeIn) {
+      if (this.gatherOpts) {
+        this.logger.debug({opts: this.gatherOpts}, 'Config: enabling bargeIn');
+        cs.enableBotMode(this.gatherOpts);
+      }
+      else {
+        this.logger.debug('Config: disabling bargeIn');
+        cs.disableBotMode();
+      }
+    }
+  }
+
+  async kill(cs) {
+    super.kill(cs);
+  }
+}
+
+module.exports = TaskConfig;
--- a/lib/tasks/dial.js
+++ b/lib/tasks/dial.js
@@ -14,6 +14,7 @@ const sessionTracker = require('../session/session-tracker');
 const DtmfCollector = require('../utils/dtmf-collector');
 const dbUtils = require('../utils/db-utils');
 const debug = require('debug')('jambonz:feature-server');
+const {parseUri} = require('drachtio-srf');

 function parseDtmfOptions(logger, dtmfCapture) {
  let parentDtmfCollector, childDtmfCollector;
@@ -91,6 +92,7 @@ class TaskDial extends Task {
    this.timeLimit = this.data.timeLimit;
    this.confirmHook = this.data.confirmHook;
    this.confirmMethod = this.data.confirmMethod;
+    this.referHook = this.data.referHook;
    this.dtmfHook = this.data.dtmfHook;
    this.proxy = this.data.proxy;

@@ -135,6 +137,11 @@ class TaskDial extends Task {
    return !process.env.ANCHOR_MEDIA_ALWAYS && !this.listenTask && !this.transcribeTask;
  }

+  get summary() {
+    if (this.target.length === 1) return `${this.name}{type=${this.target[0].type}}`;
+    else return `${this.name}{${this.target.length} targets}`;
+  }
+
  async exec(cs) {
    await super.exec(cs);
    try {
@@ -147,7 +154,7 @@ class TaskDial extends Task {
          this.epOther.play(this.dialMusic).catch((err) => {});
        }
      }
-      await this._attemptCalls(cs);
+      if (!this.killed) await this._attemptCalls(cs);
      await this.awaitTaskDone();
      this.logger.debug({callSid: this.cs.callSid}, 'Dial:exec task is done, sending actionHook if any');
      await this.performAction(this.results, this.killReason !== KillReason.Replaced);
@@ -179,6 +186,7 @@ class TaskDial extends Task {
    this._killOutdials();
    if (this.sd) {
      this.sd.kill();
+      this.sd.removeAllListeners();
      this.sd = null;
    }
    if (this.callSid) sessionTracker.remove(this.callSid);
@@ -239,6 +247,40 @@ class TaskDial extends Task {
    }
  }

+  async handleRefer(cs, req, res, callInfo = cs.callInfo) {
+    if (this.referHook) {
+      try {
+        const isChild = !!callInfo.parentCallSid;
+        const referring_call_sid = isChild ? callInfo.callSid : cs.callSid;
+        const referred_call_sid = isChild ? callInfo.parentCallSid : this.sd.callSid;
+
+        const to = parseUri(req.getParsedHeader('Refer-To').uri);
+        const by = parseUri(req.getParsedHeader('Referred-By').uri);
+        this.logger.info({to}, 'refer to parsed');
+        await cs.requestor.request('verb:hook', this.referHook, {
+          ...callInfo,
+          refer_details: {
+            sip_refer_to: req.get('Refer-To'),
+            sip_referred_by: req.get('Referred-By'),
+            sip_user_agent: req.get('User-Agent'),
+            refer_to_user: to.user,
+            referred_by_user: by.user,
+            referring_call_sid,
+            referred_call_sid
+          }
+        });
+        res.send(202);
+        this.logger.info('DialTask:handleRefer - sent 202 Accepted');
+      } catch (err) {
+        res.send(err.statusCode || 501);
+      }
+    }
+    else {
+      this.logger.info('DialTask:handleRefer - got REFER but no referHook, responding 501');
+      res.send(501);
+    }
+  }
+
  _removeHandlers(sd) {
    sd.removeAllListeners('accept');
    sd.removeAllListeners('decline');
@@ -287,7 +329,7 @@ class TaskDial extends Task {
    const match = dtmfDetector.keyPress(key);
    if (match) {
      this.logger.info({callSid}, `Dial:_onInfo triggered dtmf match: ${match}`);
-      requestor.request(this.dtmfHook, {dtmf: match, ...callInfo.toJSON()})
+      requestor.request('verb:hook', this.dtmfHook, {dtmf: match, ...callInfo.toJSON()})
        .catch((err) => this.logger.info(err, 'Dial:_onDtmf - error'));
    }
  }
@@ -366,6 +408,9 @@ class TaskDial extends Task {
            opts.headers['X-Requested-Carrier-Sid'] = voip_carrier_sid;
          }
        }
+
+        if (this.killed) return;
+
        const sd = placeCall({
          logger: this.logger,
          application: cs.application,
@@ -380,8 +425,11 @@ class TaskDial extends Task {
        this.dials.set(sd.callSid, sd);

        sd
+          .on('refer', (callInfo, req, res) => this.handleRefer(cs, req, res, callInfo))
          .on('callCreateFail', () => {
+            clearTimeout(this.timerRing);
            this.dials.delete(sd.callSid);
+            sd.removeAllListeners();
            if (this.dials.size === 0 && !this.sd) {
              this.logger.debug('Dial:_attemptCalls - all calls failed after call create err, ending task');
              this.kill(cs);
@@ -423,6 +471,7 @@ class TaskDial extends Task {
          })
          .on('accept', async() => {
            this.logger.debug(`Dial:_attemptCalls - we have a winner: ${sd.callSid}`);
+            clearTimeout(this.timerRing);
            try {
              await this._connectSingleDial(cs, sd);
            } catch (err) {
@@ -431,7 +480,9 @@ class TaskDial extends Task {
          })
          .on('decline', () => {
            this.logger.debug(`Dial:_attemptCalls - declined: ${sd.callSid}`);
+            clearTimeout(this.timerRing);
            this.dials.delete(sd.callSid);
+            sd.removeAllListeners();
            if (this.dials.size === 0 && !this.sd) {
              this.logger.debug('Dial:_attemptCalls - all calls failed after decline, ending task');
              this.kill(cs);
@@ -443,6 +494,9 @@ class TaskDial extends Task {
            } catch (err) {
              this.logger.error(err, 'Error in dial einvite from B leg');
            }
+          })
+          .on('refer', (callInfo, req, res) => {
+
          })
          .once('adulting', () => {
            /* child call just adulted and got its own session */
--- a/lib/tasks/dialogflow/index.js
+++ b/lib/tasks/dialogflow/index.js
@@ -453,7 +453,7 @@ class Dialogflow extends Task {
  }

  async _performHook(cs, hook, results = {}) {
-    const json = await this.cs.requestor.request(hook, {...results, ...cs.callInfo.toJSON()});
+    const json = await this.cs.requestor.request('verb:hook', hook, {...results, ...cs.callInfo.toJSON()});
    if (json && Array.isArray(json)) {
      const makeTask = require('../make_task');
      const tasks = normalizeJambones(this.logger, json).map((tdata) => makeTask(this.logger, tdata));
--- a/lib/tasks/enqueue.js
+++ b/lib/tasks/enqueue.js
@@ -317,7 +317,7 @@ class TaskEnqueue extends Task {
    } catch (err) {
      this.logger.error({err}, `TaskEnqueue:_playHook error retrieving list info for queue ${this.queueName}`);
    }
-    const json = await cs.application.requestor.request(hook, params);
+    const json = await cs.application.requestor.request('verb:hook', hook, params);
    const tasks = normalizeJambones(this.logger, json).map((tdata) => makeTask(this.logger, tdata));

    const allowedTasks = tasks.filter((t) => allowed.includes(t.name));
--- a/lib/tasks/gather.js
+++ b/lib/tasks/gather.js
@@ -9,6 +9,7 @@ const {

 const makeTask = require('./make_task');
 const assert = require('assert');
+//const GATHER_STABILITY_THRESHOLD =  Number(process.env.JAMBONZ_GATHER_STABILITY_THRESHOLD || 0.7);

 class TaskGather extends Task {
  constructor(logger, opts, parentTask) {
@@ -16,20 +17,31 @@ class TaskGather extends Task {
    this.preconditions = TaskPreconditions.Endpoint;

    [
-      'finishOnKey', 'hints', 'input', 'numDigits',
-      'partialResultHook',
+      'finishOnKey', 'hints', 'input', 'numDigits', 'minDigits', 'maxDigits',
+      'interDigitTimeout', 'partialResultHook', 'bargein', 'dtmfBargein',
      'speechTimeout', 'timeout', 'say', 'play'
    ].forEach((k) => this[k] = this.data[k]);

-    this.timeout = (this.timeout || 5) * 1000;
-    this.interim = this.partialResultCallback;
+    /* when collecting dtmf, bargein on dtmf is true unless explicitly set to false */
+    if (this.dtmfBargein !== false && this.input.includes('digits')) this.dtmfBargein = true;
+
+    /* timeout of zero means no timeout */
+    this.timeout = this.timeout === 0 ? 0 : (this.timeout || 15) * 1000;
+    this.interim = this.partialResultHook || this.bargein;
+    this.listenDuringPrompt = this.data.listenDuringPrompt === false ? false : true;
+    this.minBargeinWordCount = this.data.minBargeinWordCount || 0;
    if (this.data.recognizer) {
      const recognizer = this.data.recognizer;
      this.vendor = recognizer.vendor;
      this.language = recognizer.language;
      this.hints = recognizer.hints || [];
+      this.hintsBoost = recognizer.hintsBoost;
      this.altLanguages = recognizer.altLanguages || [];

+      /* vad: if provided, we dont connect to recognizer until voice activity is detected */
+      const {enable, voiceMs = 0, mode = -1} = recognizer.vad || {};
+      this.vad = {enable, voiceMs, mode};
+
      /* aws options */
      this.vocabularyName = recognizer.vocabularyName;
      this.vocabularyFilterName = recognizer.vocabularyFilterName;
@@ -40,6 +52,7 @@ class TaskGather extends Task {
      this.profanityOption = recognizer.profanityOption || 'raw';
      this.requestSnr = recognizer.requestSnr || false;
      this.initialSpeechTimeoutMs = recognizer.initialSpeechTimeoutMs || 0;
+      this.azureServiceEndpoint = recognizer.azureServiceEndpoint;
    }

    this.digitBuffer = '';
@@ -47,6 +60,7 @@ class TaskGather extends Task {

    if (this.say) this.sayTask = makeTask(this.logger, {say: this.say}, this);
    if (this.play) this.playTask = makeTask(this.logger, {play: this.play}, this);
+    if (!this.sayTask && !this.playTask) this.listenDuringPrompt = false;

    this.parentTask = parentTask;
  }
@@ -60,7 +74,23 @@ class TaskGather extends Task {
      (this.playTask && this.playTask.earlyMedia);
  }

+  get summary() {
+    let s = `${this.name}{`;
+    if (this.input.length === 2) s += 'inputs=[speech,digits],';
+    else if (this.input.includes('digits')) s += 'inputs=digits';
+    else s += 'inputs=speech,';
+
+    if (this.input.includes('speech')) {
+      s += `vendor=${this.vendor || 'default'},language=${this.language || 'default'}`;
+    }
+    if (this.sayTask) s += ',with nested say task';
+    if (this.playTask) s += ',with nested play task';
+    s += '}';
+    return s;
+  }
+
  async exec(cs, ep) {
+    this.logger.debug('Gather:exec');
    await super.exec(cs);
    const {updateSpeechCredentialLastUsed} = require('../utils/db-utils')(this.logger, cs.srf);

@@ -80,29 +110,43 @@ class TaskGather extends Task {
      throw new Error(`no speech-to-text service credentials for ${this.vendor} have been configured`);
    }

+    const startListening = (cs, ep) => {
+      this._startTimer();
+      if (this.input.includes('speech') && !this.listenDuringPrompt) {
+        this._initSpeech(cs, ep)
+          .then(() => {
+            this._startTranscribing(ep);
+            return updateSpeechCredentialLastUsed(this.sttCredentials.speech_credential_sid);
+          })
+          .catch(() => {});
+      }
+    };
+
    try {
      if (this.sayTask) {
        this.sayTask.exec(cs, ep);  // kicked off, _not_ waiting for it to complete
        this.sayTask.on('playDone', (err) => {
-          if (!this.killed) this._startTimer();
+          if (err) return this.logger.error({err}, 'Gather:exec Error playing tts');
+          this.logger.debug('Gather: say task completed');
        });
      }
      else if (this.playTask) {
        this.playTask.exec(cs, ep);  // kicked off, _not_ waiting for it to complete
        this.playTask.on('playDone', (err) => {
-          if (!this.killed) this._startTimer();
+          if (err) return this.logger.error({err}, 'Gather:exec Error playing url');
+          if (!this.killed) startListening(cs, ep);
        });
      }
-      else this._startTimer();
+      else startListening(cs, ep);

-      if (this.input.includes('speech')) {
+      if (this.input.includes('speech') && this.listenDuringPrompt) {
        await this._initSpeech(cs, ep);
        this._startTranscribing(ep);
        updateSpeechCredentialLastUsed(this.sttCredentials.speech_credential_sid)
          .catch(() => {/*already logged error */});
      }

-      if (this.input.includes('digits')) {
+      if (this.input.includes('digits') || this.dtmfBargein) {
        ep.on('dtmf', this._onDtmf.bind(this, cs, ep));
      }

@@ -121,22 +165,50 @@ class TaskGather extends Task {
    super.kill(cs);
    this._killAudio(cs);
    this.ep.removeAllListeners('dtmf');
+    clearTimeout(this.interDigitTimer);
    this._resolve('killed');
  }

+  updateTimeout(timeout) {
+    this.logger.info(`TaskGather:updateTimout - updating timeout to ${timeout}`);
+    this.timeout = timeout;
+    this._startTimer();
+  }
+
  _onDtmf(cs, ep, evt) {
    this.logger.debug(evt, 'TaskGather:_onDtmf');
-    if (evt.dtmf === this.finishOnKey) this._resolve('dtmf-terminator-key');
+    clearTimeout(this.interDigitTimer);
+    let resolved = false;
+    if (this.dtmfBargein) this._killAudio(cs);
+    if (evt.dtmf === this.finishOnKey && this.input.includes('digits')) {
+      resolved = true;
+      this._resolve('dtmf-terminator-key');
+    }
    else {
      this.digitBuffer += evt.dtmf;
-      if (this.digitBuffer.length === this.numDigits) this._resolve('dtmf-num-digits');
+      const len = this.digitBuffer.length;
+      if (len === this.numDigits || len === this.maxDigits) {
+        resolved = true;
+        this._resolve('dtmf-num-digits');
+      }
+    }
+    if (!resolved && this.interDigitTimeout > 0 && this.digitBuffer.length >= this.minDigits) {
+      /* start interDigitTimer */
+      const ms = this.interDigitTimeout * 1000;
+      this.logger.debug(`starting interdigit timer of ${ms}`);
+      this.interDigitTimer = setTimeout(() => this._resolve('dtmf-interdigit-timeout'), ms);
    }
-    this._killAudio(cs);
  }

  async _initSpeech(cs, ep) {
    const opts = {};

+    if (this.vad?.enable) {
+      opts.START_RECOGNIZING_ON_VAD = 1;
+      if (this.vad.voiceMs) opts.RECOGNIZER_VAD_VOICE_MS = this.vad.voiceMs;
+      if (this.vad.mode >= 0 && this.vad.mode <= 3) opts.RECOGNIZER_VAD_MODE = this.vad.mode;
+    }
+
    if ('google' === this.vendor) {
      if (this.sttCredentials) opts.GOOGLE_APPLICATION_CREDENTIALS = JSON.stringify(this.sttCredentials.credentials);
      Object.assign(opts, {
@@ -146,8 +218,11 @@ class TaskGather extends Task {
      });
      if (this.hints && this.hints.length > 1) {
        opts.GOOGLE_SPEECH_HINTS = this.hints.map((h) => h.trim()).join(',');
+        if (typeof this.hintsBoost === 'number') {
+          opts.GOOGLE_SPEECH_HINTS_BOOST = this.hintsBoost;
+        }
      }
-      if (this.altLanguages && this.altLanguages.length > 1) {
+      if (this.altLanguages && this.altLanguages.length > 0) {
        opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
      }
      if (this.profanityFilter === true) {
@@ -181,8 +256,9 @@ class TaskGather extends Task {
      if (this.hints && this.hints.length > 1) {
        opts.AZURE_SPEECH_HINTS = this.hints.map((h) => h.trim()).join(',');
      }
-      //if (this.requestSnr) opts.AZURE_REQUEST_SNR = 1;
-      //if (this.profanityOption !== 'raw') opts.AZURE_PROFANITY_OPTION = this.profanityOption;
+      if (this.requestSnr) opts.AZURE_REQUEST_SNR = 1;
+      if (this.profanityOption !== 'raw') opts.AZURE_PROFANITY_OPTION = this.profanityOption;
+      if (this.azureServiceEndpoint) opts.AZURE_SERVICE_ENDPOINT = this.azureServiceEndpoint;
      if (this.initialSpeechTimeoutMs > 0) opts.AZURE_INITIAL_SPEECH_TIMEOUT_MS = this.initialSpeechTimeoutMs;
      opts.AZURE_USE_OUTPUT_FORMAT_DETAILED = 1;

@@ -194,10 +270,15 @@ class TaskGather extends Task {
  }

  _startTranscribing(ep) {
+    this.logger.debug({
+      vendor: this.vendor,
+      locale: this.language,
+      interim: this.interim
+    }, 'Gather:_startTranscribing');
    ep.startTranscription({
      vendor: this.vendor,
      locale: this.language,
-      interim: this.partialResultCallback ? true : false,
+      interim: this.interim,
    }).catch((err) => {
      const {writeAlerts, AlertType} = this.cs.srf.locals;
      this.logger.error(err, 'TaskGather:_startTranscribing error');
@@ -211,6 +292,7 @@ class TaskGather extends Task {
  }

  _startTimer() {
+    if (0 === this.timeout) return;
    assert(!this._timeoutTimer);
    this.logger.debug(`Gather:_startTimer: timeout ${this.timeout}`);
    this._timeoutTimer = setTimeout(() => this._resolve('timeout'), this.timeout);
@@ -224,6 +306,15 @@ class TaskGather extends Task {
  }

  _killAudio(cs) {
+    if (!this.sayTask && !this.playTask && this.bargein) {
+      if (this.ep?.connected && !this.playComplete) {
+        this.logger.debug('Gather:_killAudio: killing playback of any audio');
+        this.playComplete = true;
+        this.ep.api('uuid_break', this.ep.uuid)
+          .catch((err) => this.logger.info(err, 'Error killing audio'));
+      }
+      return;
+    }
    if (this.sayTask && !this.sayTask.killed) {
      this.sayTask.removeAllListeners('playDone');
      this.sayTask.kill(cs);
@@ -239,27 +330,56 @@ class TaskGather extends Task {
  _onTranscription(cs, ep, evt) {
    if ('aws' === this.vendor && Array.isArray(evt) && evt.length > 0) evt = evt[0];
    if ('microsoft' === this.vendor) {
-      const nbest = evt.NBest;
-      const newEvent = {
-        is_final: evt.RecognitionStatus === 'Success',
-        alternatives: [
-          {
-            confidence: nbest[0].Confidence,
-            transcript: nbest[0].Display
-          }
-        ]
-      };
-      evt = newEvent;
+      const final = evt.RecognitionStatus === 'Success';
+      if (final) {
+        const nbest = evt.NBest;
+        evt = {
+          is_final: true,
+          alternatives: [
+            {
+              confidence: nbest[0].Confidence,
+              transcript: nbest[0].Display
+            }
+          ]
+        };
+      }
+      else {
+        evt = {
+          is_final: false,
+          alternatives: [
+            {
+              transcript: evt.Text
+            }
+          ]
+        };
+      }
    }
-    this.logger.debug(evt, 'TaskGather:_onTranscription');
    if (evt.is_final) this._resolve('speech', evt);
-    else if (this.partialResultHook) {
-      this.cs.requestor.request(this.partialResultHook,  Object.assign({speech: evt}, this.cs.callInfo))
-        .catch((err) => this.logger.info(err, 'GatherTask:_onTranscription error'));
+    else {
+      /* google has a measure of stability:
+        https://cloud.google.com/speech-to-text/docs/basics#streaming_responses
+        others do not.
+      */
+      //const isStableEnough = typeof evt.stability === 'undefined' || evt.stability > GATHER_STABILITY_THRESHOLD;
+
+      if (this.bargein && /* isStableEnough && */
+        evt.alternatives[0].transcript.split(' ').length >= this.minBargeinWordCount) {
+        if (!this.playComplete) {
+          this.logger.debug({transcript: evt.alternatives[0].transcript}, 'killing audio due to speech');
+        }
+        this._killAudio(cs);
+      }
+      if (this.partialResultHook) {
+        this.cs.requestor.request(this.partialResultHook,  Object.assign({speech: evt}, this.cs.callInfo));
+      }
    }
  }
  _onEndOfUtterance(cs, ep) {
    this.logger.info('TaskGather:_onEndOfUtterance');
+    if (this.bargein && this.minBargeinWordCount === 0) {
+      this._killAudio(cs);
+    }
+
    if (!this.resolved && !this.killed) {
      this._startTranscribing(ep);
    }
@@ -273,6 +393,7 @@ class TaskGather extends Task {
    if (this.resolved) return;
    this.resolved = true;
    this.logger.debug(`TaskGather:resolve with reason ${reason}`);
+    clearTimeout(this.interDigitTimer);

    if (this.ep && this.ep.connected) {
      this.ep.stopTranscription({vendor: this.vendor})
@@ -281,15 +402,25 @@ class TaskGather extends Task {

    this._clearTimer();
    if (reason.startsWith('dtmf')) {
-      await this.performAction({digits: this.digitBuffer, reason: 'dtmfDetected'});
+      if (this.parentTask) this.parentTask.emit('dtmf', evt);
+      else {
+        this.emit('dtmf', evt);
+        await this.performAction({digits: this.digitBuffer, reason: 'dtmfDetected'});
+      }
    }
    else if (reason.startsWith('speech')) {
      if (this.parentTask) this.parentTask.emit('transcription', evt);
-      else await this.performAction({speech: evt, reason: 'speechDetected'});
+      else {
+        this.emit('transcription', evt);
+        await this.performAction({speech: evt, reason: 'speechDetected'});
+      }
    }
    else if (reason.startsWith('timeout')) {
      if (this.parentTask) this.parentTask.emit('timeout', evt);
-      else await this.performAction({reason: 'timeout'});
+      else {
+        this.emit('timeout', evt);
+        await this.performAction({reason: 'timeout'});
+      }
    }
    this.notifyTaskDone();
  }
--- a/lib/tasks/lex.js
+++ b/lib/tasks/lex.js
@@ -289,7 +289,7 @@ class Lex extends Task {
  }

  async _performHook(cs, hook, results) {
-    const json = await this.cs.requestor.request(hook, results);
+    const json = await this.cs.requestor.request('verb:hook', hook, results);
    if (json && Array.isArray(json)) {
      const makeTask = require('./make_task');
      const tasks = normalizeJambones(this.logger, json).map((tdata) => makeTask(this.logger, tdata));
--- a/lib/tasks/make_task.js
+++ b/lib/tasks/make_task.js
@@ -20,9 +20,9 @@ function makeTask(logger, obj, parent) {
    case TaskName.SipRefer:
      const TaskSipRefer = require('./sip_refer');
      return new TaskSipRefer(logger, data, parent);
-    case TaskName.Cognigy:
-      const TaskCognigy = require('./cognigy');
-      return new TaskCognigy(logger, data, parent);
+    case TaskName.Config:
+      const TaskConfig = require('./config');
+      return new TaskConfig(logger, data, parent);
    case TaskName.Conference:
      const TaskConference = require('./conference');
      return new TaskConference(logger, data, parent);
--- a/lib/tasks/rest_dial.js
+++ b/lib/tasks/rest_dial.js
@@ -48,7 +48,7 @@ class TaskRestDial extends Task {
    cs.setDialog(dlg);

    try {
-      const tasks = await cs.requestor.request(this.call_hook, cs.callInfo);
+      const tasks = await cs.requestor.request('verb:hook', this.call_hook, cs.callInfo);
      if (tasks && Array.isArray(tasks)) {
        this.logger.debug({tasks: tasks}, `TaskRestDial: replacing application with ${tasks.length} tasks`);
        cs.replaceApplication(normalizeJambones(this.logger, tasks).map((tdata) => makeTask(this.logger, tdata)));
--- a/lib/tasks/say.js
+++ b/lib/tasks/say.js
@@ -14,6 +14,14 @@ class TaskSay extends Task {

  get name() { return TaskName.Say; }

+  get summary() {
+    for (let i = 0; i < this.text.length; i++) {
+      if (this.text[i].startsWith('silence_stream')) continue;
+      return `${this.name}{text=${this.text[i].slice(0, 15)}${this.text[i].length > 15 ? '...' : ''}}`;
+    }
+    return this.text[0];
+  }
+
  async exec(cs, ep) {
    await super.exec(cs);

@@ -21,15 +29,20 @@ class TaskSay extends Task {
    const {updateSpeechCredentialLastUsed} = require('../utils/db-utils')(this.logger, srf);
    const {writeAlerts, AlertType, stats} = srf.locals;
    const {synthAudio} = srf.locals.dbHelpers;
-    const hasVerbLevelTts = this.synthesizer.vendor && this.synthesizer.vendor !== 'default';
-    const vendor = hasVerbLevelTts ? this.synthesizer.vendor : cs.speechSynthesisVendor ;
-    const language = hasVerbLevelTts ? this.synthesizer.language : cs.speechSynthesisLanguage ;
-    const voice = hasVerbLevelTts ? this.synthesizer.voice : cs.speechSynthesisVoice ;
+    const vendor = this.synthesizer.vendor && this.synthesizer.vendor !== 'default' ?
+      this.synthesizer.vendor :
+      cs.speechSynthesisVendor;
+    const language = this.synthesizer.language && this.synthesizer.language !== 'default' ?
+      this.synthesizer.language :
+      cs.speechSynthesisLanguage ;
+    const voice =  this.synthesizer.voice && this.synthesizer.voice !== 'default' ?
+      this.synthesizer.voice :
+      cs.speechSynthesisVoice;
    const engine = this.synthesizer.engine || 'standard';
    const salt = cs.callSid;
    const credentials = cs.getSpeechCredentials(vendor, 'tts');

-    this.logger.info({language, voice}, `Task:say - using vendor: ${vendor}`);
+    this.logger.info({vendor, language, voice}, 'TaskSay:exec');
    this.ep = ep;
    try {
      if (!credentials) {
@@ -43,6 +56,8 @@ class TaskSay extends Task {
      // synthesize all of the text elements
      let lastUpdated = false;
      const filepath = (await Promise.all(this.text.map(async(text) => {
+        if (this.killed) return;
+        if (text.startsWith('silence_stream://')) return text;
        const {filePath, servedFromCache} = await synthAudio(stats, {
          text,
          vendor,
@@ -72,14 +87,18 @@ class TaskSay extends Task {

      this.logger.debug({filepath}, 'synthesized files for tts');

-      while (!this.killed && (this.loop === 'forever' || this.loop--) && this.ep.connected) {
+      while (!this.killed && (this.loop === 'forever' || this.loop--) && this.ep?.connected) {
        let segment = 0;
        do {
          if (cs.isInConference) {
            const {memberId, confName, confUuid} = cs;
            await this.playToConfMember(this.ep, memberId, confName, confUuid, filepath[segment]);
          }
-          else await ep.play(filepath[segment]);
+          else {
+            this.logger.debug(`Say:exec sending command to play file ${filepath[segment]}`);
+            await ep.play(filepath[segment]);
+            this.logger.debug(`Say:exec completed play file ${filepath[segment]}`);
+          }
        } while (!this.killed && ++segment < filepath.length);
      }
    } catch (err) {
--- a/lib/tasks/sip_decline.js
+++ b/lib/tasks/sip_decline.js
@@ -19,7 +19,11 @@ class TaskSipDecline extends Task {
    res.send(this.data.status, this.data.reason, {
      headers: this.headers
    });
-    cs.emit('callStatusChange', {callStatus: CallStatus.Failed, sipStatus: this.data.status});
+    cs.emit('callStatusChange', {
+      callStatus: CallStatus.Failed,
+      sipStatus: this.data.status,
+      sipReason: this.data.reason
+    });
  }
 }

--- a/lib/tasks/sip_refer.js
+++ b/lib/tasks/sip_refer.js
@@ -51,6 +51,7 @@ class TaskSipRefer extends Task {
    super.kill(cs);
    const {dlg} = cs;
    dlg.off('notify', this.notifyHandler);
+    this.notifyTaskDone();
  }

  async _handleNotify(cs, dlg, req, res) {
@@ -65,7 +66,7 @@ class TaskSipRefer extends Task {
        const status = arr[1];
        this.logger.debug(`TaskSipRefer:_handleNotify: call got status ${status}`);
        if (this.eventHook) {
-          await cs.requestor.request(this.eventHook, {event: 'transfer-status', call_status: status});
+          await cs.requestor.request('verb:hook', this.eventHook, {event: 'transfer-status', call_status: status});
        }
        if (status >= 200) {
          await this.performAction({refer_status: 202, final_referred_call_status: status});
--- a/lib/tasks/specs.json
+++ b/lib/tasks/specs.json
@@ -21,20 +21,29 @@
      "referTo"
    ]
  },
-  "cognigy": {
+  "config": {
    "properties": {
-      "url": "string",
-      "token": "string",
+      "synthesizer": "#synthesizer",
      "recognizer": "#recognizer",
-      "tts": "#synthesizer",
-      "prompt": "string",
+      "bargeIn": "#bargeIn"
+    },
+    "required": []
+  },
+  "bargeIn": {
+    "properties": {
+      "enable": "boolean",
      "actionHook": "object|string",
-      "eventHook": "object|string",
-      "data": "object"
+      "input": "array",
+      "finishOnKey": "string",
+      "numDigits": "number",
+      "minDigits": "number",
+      "maxDigits": "number",
+      "interDigitTimeout": "number",
+      "dtmfBargein": "boolean",
+      "minBargeinWordCount": "number"
    },
    "required": [
-      "url",
-      "token"
+      "enable"
    ]
  },
  "dequeue": {
@@ -98,8 +107,15 @@
      "finishOnKey": "string",
      "input": "array",
      "numDigits": "number",
+      "minDigits": "number",
+      "maxDigits": "number",
+      "interDigitTimeout": "number",
      "partialResultHook": "object|string",
      "speechTimeout": "number",
+      "listenDuringPrompt": "boolean",
+      "dtmfBargein": "boolean",
+      "bargein": "boolean",
+      "minBargeinWordCount": "number",
      "timeout": "number",
      "recognizer": "#recognizer",
      "play": "#play",
@@ -133,6 +149,7 @@
      "answerOnBridge": "boolean",
      "callerId": "string",
      "confirmHook": "object|string",
+      "referHook": "object|string",
      "dialMusic": "string",
      "dtmfCapture": "object",
      "dtmfHook": "object|string",
@@ -338,6 +355,7 @@
        "type": "string",
        "enum": ["GET", "POST"]
      },
+      "headers": "object",
      "name": "string",
      "number": "string",
      "sipUri": "string",
@@ -389,7 +407,9 @@
        "enum": ["google", "aws", "microsoft", "default"]
      },
      "language": "string",
+      "vad": "#vad",
      "hints": "array",
+      "hintsBoost": "number",
      "altLanguages": "array",
      "profanityFilter": "boolean",
      "interim": "boolean",
@@ -443,7 +463,8 @@
        ]
      },
      "requestSnr": "boolean",
-      "initialSpeechTimeoutMs": "number"
+      "initialSpeechTimeoutMs": "number",
+      "azureServiceEndpoint": "string"
    },
    "required": [
      "vendor"
@@ -457,5 +478,15 @@
    "required": [
      "name"
    ]
+  },
+  "vad": {
+    "properties": {
+      "enable": "boolean",
+      "voiceMs": "number",
+      "mode": "number"  
+    },
+    "required": [
+      "enable"
+    ]
  }
 }
--- a/lib/tasks/task.js
+++ b/lib/tasks/task.js
@@ -42,6 +42,10 @@ class Task extends Emitter {
    return this.cs;
  }

+  get summary() {
+    return this.name;
+  }
+
  toJSON() {
    return this.data;
  }
@@ -107,7 +111,7 @@ class Task extends Emitter {
  async performAction(results, expectResponse = true) {
    if (this.actionHook) {
      const params = results ? Object.assign(results, this.cs.callInfo.toJSON()) : this.cs.callInfo.toJSON();
-      const json = await this.cs.requestor.request(this.actionHook, params);
+      const json = await this.cs.requestor.request('verb:hook', this.actionHook, params);
      if (expectResponse && json && Array.isArray(json)) {
        const makeTask = require('./make_task');
        const tasks = normalizeJambones(this.logger, json).map((tdata) => makeTask(this.logger, tdata));
@@ -120,7 +124,7 @@ class Task extends Emitter {
  }

  async performHook(cs, hook, results) {
-    const json = await cs.requestor.request(hook, results);
+    const json = await cs.requestor.request('verb:hook', hook, results);
    if (json && Array.isArray(json)) {
      const makeTask = require('./make_task');
      const tasks = normalizeJambones(this.logger, json).map((tdata) => makeTask(this.logger, tdata));
--- a/lib/tasks/transcribe.js
+++ b/lib/tasks/transcribe.js
@@ -22,8 +22,13 @@ class TaskTranscribe extends Task {
    this.interim = !!recognizer.interim;
    this.separateRecognitionPerChannel = recognizer.separateRecognitionPerChannel;

+    /* vad: if provided, we dont connect to recognizer until voice activity is detected */
+    const {enable, voiceMs = 0, mode = -1} = recognizer.vad || {};
+    this.vad = {enable, voiceMs, mode};
+
    /* google-specific options */
    this.hints = recognizer.hints || [];
+    this.hintsBoost = recognizer.hintsBoost;
    this.profanityFilter = recognizer.profanityFilter;
    this.punctuation = !!recognizer.punctuation;
    this.enhancedModel = !!recognizer.enhancedModel;
@@ -46,6 +51,7 @@ class TaskTranscribe extends Task {
    this.profanityOption = recognizer.profanityOption || 'raw';
    this.requestSnr = recognizer.requestSnr || false;
    this.initialSpeechTimeoutMs = recognizer.initialSpeechTimeoutMs || 0;
+    this.azureServiceEndpoint = recognizer.azureServiceEndpoint;
  }

  get name() { return TaskName.Transcribe; }
@@ -105,6 +111,12 @@ class TaskTranscribe extends Task {
  async _startTranscribing(cs, ep) {
    const opts = {};

+    if (this.vad.enable) {
+      opts.START_RECOGNIZING_ON_VAD = 1;
+      if (this.vad.voiceMs) opts.RECOGNIZER_VAD_VOICE_MS = this.vad.voiceMs;
+      if (this.vad.mode >= 0 && this.vad.mode <= 3) opts.RECOGNIZER_VAD_MODE = this.vad.mode;
+    }
+
    ep.addCustomEventListener(GoogleTranscriptionEvents.Transcription, this._onTranscription.bind(this, cs, ep));
    ep.addCustomEventListener(GoogleTranscriptionEvents.NoAudioDetected, this._onNoAudio.bind(this, cs, ep));
    ep.addCustomEventListener(GoogleTranscriptionEvents.MaxDurationExceeded,
@@ -128,7 +140,12 @@ class TaskTranscribe extends Task {
      ].forEach((arr) => {
        if (this[arr[0]]) opts[arr[1]] = true;
      });
-      if (this.hints.length > 1) opts.GOOGLE_SPEECH_HINTS = this.hints.join(',');
+      if (this.hints.length > 1) {
+        opts.GOOGLE_SPEECH_HINTS = this.hints.join(',');
+        if (typeof this.hintsBoost === 'number') {
+          opts.GOOGLE_SPEECH_HINTS_BOOST = this.hintsBoost;
+        }
+      }
      if (this.altLanguages.length > 1) opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
      if ('unspecified' !== this.interactionType) {
        opts.GOOGLE_SPEECH_METADATA_INTERACTION_TYPE = this.interactionType;
@@ -195,6 +212,7 @@ class TaskTranscribe extends Task {
      if (this.profanityOption !== 'raw') opts.AZURE_PROFANITY_OPTION = this.profanityOption;
      if (this.initialSpeechTimeoutMs > 0) opts.AZURE_INITIAL_SPEECH_TIMEOUT_MS = this.initialSpeechTimeoutMs;
      if (this.outputFormat !== 'simple') opts.AZURE_USE_OUTPUT_FORMAT_DETAILED = 1;
+      if (this.azureServiceEndpoint) opts.AZURE_SERVICE_ENDPOINT = this.azureServiceEndpoint;

      await ep.set(opts)
        .catch((err) => this.logger.info(err, 'TaskTranscribe:_startTranscribing with azure'));
@@ -236,7 +254,7 @@ class TaskTranscribe extends Task {
    }

    if (this.transcriptionHook) {
-      this.cs.requestor.request(this.transcriptionHook, Object.assign({speech: evt}, this.cs.callInfo))
+      this.cs.requestor.request('verb:hook', this.transcriptionHook, Object.assign({speech: evt}, this.cs.callInfo))
        .catch((err) => this.logger.info(err, 'TranscribeTask:_onTranscription error'));
    }
    if (this.parentTask) {
--- a/lib/utils/aws-sns-lifecycle.js
+++ b/lib/utils/aws-sns-lifecycle.js
@@ -45,6 +45,7 @@ class SnsNotifier extends Emitter {
          }, 'response from SNS SubscribeURL');
          const data = await this.describeInstance();
          this.lifecycleState = data.AutoScalingInstances[0].LifecycleState;
+          this.emit('SubscriptionConfirmation', {publicIp: this.publicIp});
          break;

        case 'Notification':
--- a/lib/utils/base-requestor.js
+++ b/lib/utils/base-requestor.js
@@ -0,0 +1,75 @@
+const assert = require('assert');
+const Emitter = require('events');
+const crypto = require('crypto');
+const timeSeries = require('@jambonz/time-series');
+let alerter ;
+
+class BaseRequestor extends Emitter {
+  constructor(logger, account_sid, hook, secret) {
+    super();
+    assert(typeof hook === 'object');
+
+    this.logger = logger;
+    this.url = hook.url;
+
+    this.username = hook.username;
+    this.password = hook.password;
+    this.secret = secret;
+    this.account_sid = account_sid;
+
+    const {stats} = require('../../').srf.locals;
+    this.stats = stats;
+
+    if (!alerter) {
+      alerter = timeSeries(logger, {
+        host: process.env.JAMBONES_TIME_SERIES_HOST,
+        commitSize: 50,
+        commitInterval: 'test' === process.env.NODE_ENV ? 7 : 20
+      });
+    }
+  }
+
+  get Alerter() {
+    return alerter;
+  }
+
+  close() {
+    /* subclass responsibility */
+  }
+
+  _computeSignature(payload, timestamp, secret) {
+    assert(secret);
+    const data = `${timestamp}.${JSON.stringify(payload)}`;
+    return crypto
+      .createHmac('sha256', secret)
+      .update(data, 'utf8')
+      .digest('hex');
+  }
+
+  _generateSigHeader(payload, secret) {
+    const timestamp = Math.floor(Date.now() / 1000);
+    const signature = this._computeSignature(payload, timestamp, secret);
+    const scheme = 'v1';
+    return {
+      'Jambonz-Signature': `t=${timestamp},${scheme}=${signature}`
+    };
+  }
+
+  _isAbsoluteUrl(u) {
+    return typeof u === 'string' &&
+      u.startsWith('https://') || u.startsWith('http://') ||
+      u.startsWith('ws://') || u.startsWith('wss://');
+  }
+  _isRelativeUrl(u) {
+    return typeof u === 'string' && u.startsWith('/');
+  }
+  _roundTrip(startAt) {
+    const diff = process.hrtime(startAt);
+    const time = diff[0] * 1e3 + diff[1] * 1e-6;
+    return time.toFixed(0);
+  }
+
+
+}
+
+module.exports = BaseRequestor;
--- a/lib/utils/constants.json
+++ b/lib/utils/constants.json
@@ -2,6 +2,7 @@
  "TaskName": {
    "Cognigy": "cognigy",
    "Conference": "conference",
+    "Config": "config",
    "Dequeue": "dequeue",
    "Dial": "dial",
    "Dialogflow": "dialogflow",
@@ -105,6 +106,15 @@
    "Hangup": "hangup",
    "Replaced": "replaced"
  },
+  "HookMsgTypes": [
+    "session:new",
+    "session:reconnect",
+    "session:redirect",
+    "call:status",
+    "queue:status",
+    "verb:hook",
+    "jambonz:error"
+  ],
  "MAX_SIMRINGS": 10,
  "BONG_TONE": "tone_stream://v=-7;%(100,0,941.0,1477.0);v=-7;>=2;+=.1;%(1400,0,350,440)",
  "FS_UUID_SET_NAME": "fsUUIDs"
--- a/lib/utils/cron-jobs.js
+++ b/lib/utils/cron-jobs.js
@@ -0,0 +1,52 @@
+const {execSync} = require('child_process');
+const now = Date.now();
+const fsInventory = process.env.JAMBONES_FREESWITCH
+  .split(',')
+  .map((fs) => {
+    const arr = /^([^:]*):([^:]*):([^:]*)(?::([^:]*))?/.exec(fs);
+    const opts = {address: arr[1], port: arr[2], secret: arr[3]};
+    if (arr.length > 4) opts.advertisedAddress = arr[4];
+    if (process.env.NODE_ENV === 'test') opts.listenAddress = '0.0.0.0';
+    return opts;
+  });
+
+const clearChannels = () => {
+  const {logger} = require('../..');
+  const pwd = fsInventory[0].secret;
+  const maxDurationMins = process.env.JAMBONES_FREESWITCH_MAX_CALL_DURATION_MINS || 180;
+
+  const calls = execSync(`/usr/local/freeswitch/bin/fs_cli -p ${pwd} -x "show calls"`, {encoding: 'utf8'})
+    .split('\n')
+    .filter((line) => line.match(/^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{8}/))
+    .map((line) => {
+      const arr = line.split(',');
+      const dt = new Date(arr[2]);
+      const duration = (now - dt.getTime()) / 1000;
+      return {
+        uuid: arr[0],
+        time: arr[2],
+        duration
+      };
+    })
+    .filter((c) => c.duration > 60 * maxDurationMins);
+
+  if (calls.length > 0) {
+    logger.debug(`clearChannels: clearing ${calls.length} old calls longer than ${maxDurationMins} mins`);
+    for (const call of calls) {
+      const cmd = `/usr/local/freeswitch/bin/fs_cli -p ${pwd} -x "uuid_kill ${call.uuid}"`;
+      const out = execSync(cmd, {encoding: 'utf8'});
+      logger.debug({out}, 'clearChannels: command output');
+    }
+  }
+  return calls.length;
+};
+
+const clearFiles = () => {
+  const {logger} = require('../..');
+  const out = execSync('find /tmp -name "*.mp3" -mtime +2 -exec rm {} \\;');
+  logger.debug({out}, 'clearFiles: command output');
+};
+
+
+module.exports = {clearChannels, clearFiles};
+
--- a/lib/utils/http-requestor.js
+++ b/lib/utils/http-requestor.js
@@ -0,0 +1,111 @@
+const bent = require('bent');
+const parseUrl = require('parse-url');
+const assert = require('assert');
+const BaseRequestor = require('./base-requestor');
+const {HookMsgTypes} = require('./constants.json');
+const snakeCaseKeys = require('./snakecase-keys');
+
+const toBase64 = (str) => Buffer.from(str || '', 'utf8').toString('base64');
+
+function basicAuth(username, password) {
+  if (!username || !password) return {};
+  const creds = `${username}:${password || ''}`;
+  const header = `Basic ${toBase64(creds)}`;
+  return {Authorization: header};
+}
+
+
+class HttpRequestor extends BaseRequestor {
+  constructor(logger, account_sid, hook, secret) {
+    super(logger, account_sid, hook, secret);
+
+    this.method = hook.method || 'POST';
+    this.authHeader = basicAuth(hook.username, hook.password);
+
+    const u = parseUrl(this.url);
+    const myPort = u.port ? `:${u.port}` : '';
+    const baseUrl = this._baseUrl = `${u.protocol}://${u.resource}${myPort}`;
+
+    this.get = bent(baseUrl, 'GET', 'buffer', 200, 201);
+    this.post = bent(baseUrl, 'POST', 'buffer', 200, 201);
+
+
+    assert(this._isAbsoluteUrl(this.url));
+    assert(['GET', 'POST'].includes(this.method));
+  }
+
+  get baseUrl() {
+    return this._baseUrl;
+  }
+
+  /**
+   * Make an HTTP request.
+   * All requests use json bodies.
+   * All requests expect a 200 statusCode on success
+   * @param {object|string} hook - may be a absolute or relative url, or an object
+   * @param {string} [hook.url] - an absolute or relative url
+   * @param {string} [hook.method] - 'GET' or 'POST'
+   * @param {string} [hook.username] - if basic auth is protecting the endpoint
+   * @param {string} [hook.password] - if basic auth is protecting the endpoint
+   * @param {object} [params] - request parameters
+   */
+  async request(type, hook, params) {
+    assert(HookMsgTypes.includes(type));
+    const payload = params ? snakeCaseKeys(params, ['customerData', 'sip']) : null;
+    const url = hook.url || hook;
+    const method = hook.method || 'POST';
+
+    assert.ok(url, 'HttpRequestor:request url was not provided');
+    assert.ok, (['GET', 'POST'].includes(method), `HttpRequestor:request method must be 'GET' or 'POST' not ${method}`);
+    const {url: urlInfo = hook, method: methodInfo = 'POST'} = hook;  // mask user/pass
+    this.logger.debug({url: urlInfo, method: methodInfo, payload}, `HttpRequestor:request ${method} ${url}`);
+    const startAt = process.hrtime();
+
+    let buf;
+    try {
+      const sigHeader = this._generateSigHeader(payload, this.secret);
+      const headers = {...sigHeader, ...this.authHeader};
+      //this.logger.info({url, headers}, 'send webhook');
+      buf = this._isRelativeUrl(url) ?
+        await this.post(url, payload, headers) :
+        await bent(method, 'buffer', 200, 201, 202)(url, payload, headers);
+    } catch (err) {
+      if (err.statusCode) {
+        this.logger.info({baseUrl: this.baseUrl, url},
+          `web callback returned unexpected status code ${err.statusCode}`);
+      }
+      else {
+        this.logger.error({err, baseUrl: this.baseUrl, url},
+          'web callback returned unexpected error');
+      }
+      let opts = {account_sid: this.account_sid};
+      if (err.code === 'ECONNREFUSED') {
+        opts = {...opts, alert_type: this.Alerter.AlertType.WEBHOOK_CONNECTION_FAILURE, url};
+      }
+      else if (err.name === 'StatusError') {
+        opts = {...opts, alert_type: this.Alerter.AlertType.WEBHOOK_STATUS_FAILURE, url, status: err.statusCode};
+      }
+      else {
+        opts = {...opts, alert_type: this.Alerter.AlertType.WEBHOOK_CONNECTION_FAILURE, url, detail: err.message};
+      }
+      this.Alerter.writeAlerts(opts).catch((err) => this.logger.info({err, opts}, 'Error writing alert'));
+
+      throw err;
+    }
+    const rtt = this._roundTrip(startAt);
+    if (buf) this.stats.histogram('app.hook.response_time', rtt, ['hook_type:app']);
+
+    if (buf && buf.toString().length > 0) {
+      try {
+        const json = JSON.parse(buf.toString());
+        this.logger.info({response: json}, `HttpRequestor:request ${method} ${url} succeeded in ${rtt}ms`);
+        return json;
+      }
+      catch (err) {
+        //this.logger.debug({err, url, method}, `HttpRequestor:request returned non-JSON content: '${buf.toString()}'`);
+      }
+    }
+  }
+}
+
+module.exports = HttpRequestor;
--- a/lib/utils/place-outdial.js
+++ b/lib/utils/place-outdial.js
@@ -60,10 +60,16 @@ class SingleDialer extends Emitter {
    opts.headers = opts.headers || {};
    opts.headers = {
      ...opts.headers,
+      ...(this.target.headers || {}),
      'X-Jambonz-Routing': this.target.type,
-      'X-Jambonz-FS-UUID': srf.locals.fsUUID,
      'X-Call-Sid': this.callSid
    };
+    if (srf.locals.fsUUID) {
+      opts.headers = {
+        ...opts.headers,
+        'X-Jambonz-FS-UUID': srf.locals.fsUUID,
+      };
+    }
    this.ms = ms;
    let uri, to;
    try {
@@ -144,6 +150,7 @@ class SingleDialer extends Emitter {
           *  (a) create a CallInfo for this call
           *  (a) create a logger for this call
           */
+          req.srf = srf;
          this.callInfo = new CallInfo({
            direction: CallDirection.Outbound,
            parentCallInfo: this.parentCallInfo,
@@ -157,10 +164,14 @@ class SingleDialer extends Emitter {
            callId: this.callInfo.callId
          });
          this.inviteInProgress = req;
-          this.emit('callStatusChange', {callStatus: CallStatus.Trying, sipStatus: 100});
+          this.emit('callStatusChange', {
+            callStatus: CallStatus.Trying,
+            sipStatus: 100,
+            sipReason: 'Trying'
+          });
        },
        cbProvisional: (prov) => {
-          const status = {sipStatus: prov.status};
+          const status = {sipStatus: prov.status, sipReason: prov.reason};
          if ([180, 183].includes(prov.status) && prov.body) {
            if (status.callStatus !== CallStatus.EarlyMedia) {
              status.callStatus = CallStatus.EarlyMedia;
@@ -175,7 +186,11 @@ class SingleDialer extends Emitter {
      await connectStream(this.dlg.remote.sdp);
      this.dlg.callSid = this.callSid;
      this.inviteInProgress = null;
-      this.emit('callStatusChange', {sipStatus: 200, callStatus: CallStatus.InProgress});
+      this.emit('callStatusChange', {
+        sipStatus: 200,
+        sipReason: 'OK',
+        callStatus: CallStatus.InProgress
+      });
      this.logger.debug(`SingleDialer:exec call connected: ${this.callSid}`);
      const connectTime = this.dlg.connectTime = moment();

@@ -183,7 +198,12 @@ class SingleDialer extends Emitter {
      if (this.killed) {
        this.logger.info(`SingleDialer:exec race condition - we were killed as call connected: ${this.callSid}`);
        const duration = moment().diff(connectTime, 'seconds');
-        this.emit('callStatusChange', {callStatus: CallStatus.Completed, duration});
+        this.emit('callStatusChange', {
+          callStatus: CallStatus.Completed,
+          sipStatus: 487,
+          sipReason: 'Request Terminated',
+          duration
+        });
        if (this.ep) this.ep.destroy();
        return;
      }
@@ -210,14 +230,19 @@ class SingleDialer extends Emitter {
          } catch (err) {
            this.logger.error(err, 'Error handling reinvite');
          }
+        })
+        .on('refer', (req, res) => {
+          this.emit('refer', this.callInfo, req, res);
        });

      if (this.confirmHook) this._executeApp(this.confirmHook);
      else this.emit('accept');
    } catch (err) {
+      this.inviteInProgress = null;
      const status = {callStatus: CallStatus.Failed};
      if (err instanceof SipError) {
        status.sipStatus = err.status;
+        status.sipReason = err.reason;
        if (err.status === 487) status.callStatus = CallStatus.NoAnswer;
        else if ([486, 600].includes(err.status)) status.callStatus = CallStatus.Busy;
        this.logger.info(`SingleDialer:exec outdial failure ${err.status}`);
@@ -340,16 +365,16 @@ class SingleDialer extends Emitter {
    });
  }

-  _notifyCallStatusChange({callStatus, sipStatus, duration}) {
+  _notifyCallStatusChange({callStatus, sipStatus, sipReason, duration}) {
    assert((typeof duration === 'number' && callStatus === CallStatus.Completed) ||
      (!duration && callStatus !== CallStatus.Completed),
    'duration MUST be supplied when call completed AND ONLY when call completed');

    if (this.callInfo) {
-      this.callInfo.updateCallStatus(callStatus, sipStatus);
+      this.callInfo.updateCallStatus(callStatus, sipStatus, sipReason);
      if (typeof duration === 'number') this.callInfo.duration = duration;
      try {
-        this.requestor.request(this.application.call_status_hook, this.callInfo.toJSON());
+        this.requestor.request('call:status', this.application.call_status_hook, this.callInfo.toJSON());
      } catch (err) {
        this.logger.info(err, `SingleDialer:_notifyCallStatusChange error sending ${callStatus} ${sipStatus}`);
      }
--- a/lib/utils/sbc-pinger.js
+++ b/lib/utils/sbc-pinger.js
@@ -17,6 +17,10 @@ module.exports = (logger) => {
    assert.ok(sbcs.length, 'JAMBONES_SBCS env var is empty or misconfigured');
    logger.info({sbcs}, 'SBC inventory');
  }
+  else if (process.env.K8S && process.env.K8S_SBC_SIP_SERVICE_NAME) {
+    sbcs = [`${process.env.K8S_SBC_SIP_SERVICE_NAME}:5060`];
+    logger.info({sbcs}, 'SBC inventory');
+  }

  // listen for SNS lifecycle changes
  let lifecycleEmitter = new Emitter();
@@ -28,6 +32,10 @@ module.exports = (logger) => {
        lifecycleEmitter = await require('./aws-sns-lifecycle')(logger);

        lifecycleEmitter
+          .on('SubscriptionConfirmation', ({publicIp}) => {
+            const {srf} = require('../..');
+            srf.locals.publicIp = publicIp;
+          })
          .on(LifeCycleEvents.ScaleIn, () => {
            logger.info('AWS scale-in notification: begin drying up calls');
            dryUpCalls = true;
--- a/lib/utils/summarize-tasks.js
+++ b/lib/utils/summarize-tasks.js
@@ -1,3 +1,3 @@
 module.exports = function(tasks) {
-  return `[${tasks.map((t) => t.name).join(',')}]`;
+  return `[${tasks.map((t) => t.summary).join(',')}]`;
 };
--- a/lib/utils/ws-requestor.js
+++ b/lib/utils/ws-requestor.js
@@ -0,0 +1,276 @@
+const assert = require('assert');
+const BaseRequestor = require('./base-requestor');
+const short = require('short-uuid');
+const {HookMsgTypes} = require('./constants.json');
+const Websocket = require('ws');
+const snakeCaseKeys = require('./snakecase-keys');
+const HttpRequestor = require('./http-requestor');
+const MAX_RECONNECTS = 5;
+const RESPONSE_TIMEOUT_MS = process.env.JAMBONES_WS_API_MSG_RESPONSE_TIMEOUT || 5000;
+
+class WsRequestor extends BaseRequestor {
+  constructor(logger, account_sid, hook, secret) {
+    super(logger, account_sid, hook, secret);
+    this.connections = 0;
+    this.messagesInFlight = new Map();
+    this.maliciousClient = false;
+    this.closedByUs = false;
+
+    assert(this._isAbsoluteUrl(this.url));
+
+    this.on('socket-closed', this._onSocketClosed.bind(this));
+  }
+
+  /**
+   * Send a JSON payload over the websocket.  If this is the first request,
+   * open the websocket.
+   * All requests expect an ack message in response
+   * @param {object|string} hook - may be a absolute or relative url, or an object
+   * @param {string} [hook.url] - an absolute or relative url
+   * @param {string} [hook.method] - 'GET' or 'POST'
+   * @param {string} [hook.username] - if basic auth is protecting the endpoint
+   * @param {string} [hook.password] - if basic auth is protecting the endpoint
+   * @param {object} [params] - request parameters
+   */
+  async request(type, hook, params) {
+    assert(HookMsgTypes.includes(type));
+    const url = hook.url || hook;
+
+    if (this.maliciousClient) {
+      this.logger.info({url: this.url}, 'WsRequestor:request - discarding msg to malicious client');
+      return;
+    }
+
+    if (type === 'session:new') this.call_sid = params.callSid;
+
+    /* if we have an absolute url, and it is http then do a standard webhook */
+    if (this._isAbsoluteUrl(url) && url.startsWith('http')) {
+      this.logger.debug({hook}, 'WsRequestor: sending a webhook (HTTP)');
+      const requestor = new HttpRequestor(this.logger, this.account_sid, hook, this.secret);
+      return requestor.request(type, hook, params);
+    }
+
+    /* connect if necessary */
+    if (!this.ws) {
+      if (this.connections >= MAX_RECONNECTS) {
+        throw new Error(`max attempts connecting to ${this.url}`);
+      }
+      try {
+        const startAt = process.hrtime();
+        await this._connect();
+        const rtt = this._roundTrip(startAt);
+        this.stats.histogram('app.hook.connect_time', rtt, ['hook_type:app']);
+      } catch (err) {
+        this.logger.info({url, err}, 'WsRequestor:request - failed connecting');
+        throw err;
+      }
+    }
+    assert(this.ws);
+
+    /* prepare and send message */
+    const payload = params ? snakeCaseKeys(params, ['customerData', 'sip']) : null;
+    assert.ok(url, 'WsRequestor:request url was not provided');
+
+    const msgid = short.generate();
+    const obj = {
+      type,
+      msgid,
+      call_sid: this.call_sid,
+      hook: type === 'verb:hook' ? url : undefined,
+      data: {...payload}
+    };
+
+    //this.logger.debug({obj}, `websocket: sending (${url})`);
+
+    /* simple notifications */
+    if (['call:status', 'jambonz:error'].includes(type)) {
+      this.ws.send(JSON.stringify(obj), () => {
+        this.logger.debug({obj}, `WsRequestor:request websocket: sent (${url})`);
+      });
+      return;
+    }
+
+    /* messages that require an ack */
+    return new Promise((resolve, reject) => {
+      /* give the far end a reasonable amount of time to ack our message */
+      const timer = setTimeout(() => {
+        const {failure} = this.messagesInFlight.get(msgid);
+        failure && failure(`timeout from far end for msgid ${msgid}`);
+        this.messagesInFlight.delete(msgid);
+      }, RESPONSE_TIMEOUT_MS);
+
+      /* save the message info for reply */
+      const startAt = process.hrtime();
+      this.messagesInFlight.set(msgid, {
+        success: (response) => {
+          clearTimeout(timer);
+          const rtt = this._roundTrip(startAt);
+          this.logger.info({response}, `WsRequestor:request ${url} succeeded in ${rtt}ms`);
+          this.stats.histogram('app.hook.ws_response_time', rtt, ['hook_type:app']);
+          resolve(response);
+        },
+        failure: (err) => {
+          clearTimeout(timer);
+          reject(err);
+        }
+      });
+
+      /* send the message */
+      this.ws.send(JSON.stringify(obj), () => {
+        this.logger.debug({obj}, `WsRequestor:request websocket: sent (${url})`);
+      });
+    });
+  }
+
+  close() {
+    this.logger.info('WsRequestor:close closing socket');
+    this.closedByUs = true;
+    try {
+      if (this.ws) {
+        this.ws.close();
+        this.ws.removeAllListeners();
+      }
+
+      for (const [msgid, obj] of this.messagesInFlight) {
+        obj.failure(`abandoning msgid ${msgid} since we have closed the socket`);
+      }
+      this.messagesInFlight.clear();
+
+    } catch (err) {
+      this.logger.info({err}, 'WsRequestor: Error closing socket');
+    }
+  }
+
+  _connect() {
+    assert(!this.ws);
+    return new Promise((resolve, reject) => {
+      let opts = {
+        followRedirects: true,
+        maxRedirects: 2,
+        handshakeTimeout: 1000,
+        maxPayload: 8096,
+      };
+      if (this.username && this.password) opts = {...opts, auth: `${this.username}:${this.password}`};
+
+      this
+        .once('ready', (ws) => {
+          this.ws = ws;
+          this.removeAllListeners('not-ready');
+          if (this.connections++ > 0) this.request('session:reconnect', this.url);
+          resolve();
+        })
+        .once('not-ready', (err) => {
+          this.removeAllListeners('ready');
+          reject(err);
+        });
+      const ws = new Websocket(this.url, ['ws.jambonz.org'], opts);
+      this._setHandlers(ws);
+    });
+  }
+
+  _setHandlers(ws) {
+    ws
+      .once('open', this._onOpen.bind(this, ws))
+      .once('close', this._onClose.bind(this))
+      .on('message', this._onMessage.bind(this))
+      .once('unexpected-response', this._onUnexpectedResponse.bind(this, ws))
+      .on('error', this._onError.bind(this));
+  }
+
+  _onError(err) {
+    if (this.connections > 0) {
+      this.logger.info({url: this.url, err}, 'WsRequestor:_onError');
+    }
+    else this.emit('not-ready', err);
+  }
+
+  _onOpen(ws) {
+    if (this.ws) this.logger.info({old_ws: this.ws._socket.address()}, 'WsRequestor:_onOpen');
+    assert(!this.ws);
+    this.emit('ready', ws);
+    this.logger.info({url: this.url}, 'WsRequestor - successfully connected');
+  }
+
+  _onClose() {
+    if (this.connections > 0) {
+      this.logger.info({url: this.url}, 'WsRequestor - socket closed unexpectedly from remote side');
+      this.emit('socket-closed');
+    }
+    this.ws && this.ws.removeAllListeners();
+    this.ws = null;
+  }
+
+  _onUnexpectedResponse(ws, req, res) {
+    assert(!this.ws);
+    this.logger.info({
+      headers: res.headers,
+      statusCode: res.statusCode,
+      statusMessage: res.statusMessage
+    }, 'WsRequestor - unexpected response');
+    this.emit('connection-failure');
+    this.emit('not-ready', new Error(`${res.statusCode} ${res.statusMessage}`));
+  }
+
+  _onSocketClosed() {
+    this.ws = null;
+    if (this.connections > 0 && this.connections < MAX_RECONNECTS && !this.closedByUs) {
+      setTimeout(this._connect.bind(this), 500);
+    }
+  }
+
+  _onMessage(content, isBinary) {
+    if (this.isBinary) {
+      this.logger.info({url: this.url}, 'WsRequestor:_onMessage - discarding binary message');
+      this.maliciousClient = true;
+      this.ws.close();
+      return;
+    }
+
+    /* messages must be JSON format */
+    try {
+      const obj = JSON.parse(content);
+      const {type, msgid, command, queueCommand = false, data} = obj;
+
+      this.logger.debug({obj}, 'WsRequestor:request websocket: received');
+      assert.ok(type, 'type property not supplied');
+
+      switch (type) {
+        case 'ack':
+          assert.ok(msgid, 'msgid not supplied');
+          this._recvAck(msgid, data);
+          break;
+
+        case 'command':
+          assert.ok(command, 'command property not supplied');
+          assert.ok(data, 'data property not supplied');
+          this._recvCommand(msgid, command, queueCommand, data);
+          break;
+
+        default:
+          assert.ok(false, `invalid type property: ${type}`);
+      }
+    } catch (err) {
+      this.logger.info({err}, 'WsRequestor:_onMessage - invalid incoming message');
+    }
+  }
+
+  _recvAck(msgid, data) {
+    const obj = this.messagesInFlight.get(msgid);
+    if (!obj) {
+      this.logger.info({url: this.url}, `WsRequestor:_recvAck - ack to unknown msgid ${msgid}, discarding`);
+      return;
+    }
+    this.logger.debug({url: this.url}, `WsRequestor:_recvAck - received response to ${msgid}`);
+    this.messagesInFlight.delete(msgid);
+    const {success} = obj;
+    success && success(data);
+  }
+
+  _recvCommand(msgid, command, queueCommand, data) {
+    // TODO: validate command
+    this.logger.info({msgid, command, queueCommand, data}, 'received command');
+    this.emit('command', {msgid, command, queueCommand, data});
+  }
+}
+
+module.exports = WsRequestor;
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,36 +1,39 @@
 {
  "name": "jambonz-feature-server",
-  "version": "v0.7.2",
+  "version": "v0.7.4",
  "lockfileVersion": 2,
  "requires": true,
  "packages": {
    "": {
      "name": "jambonz-feature-server",
-      "version": "v0.7.2",
+      "version": "v0.7.4",
      "license": "MIT",
      "dependencies": {
        "@cognigy/socket-client": "^4.5.5",
        "@jambonz/db-helpers": "^0.6.16",
        "@jambonz/http-health-check": "^0.0.1",
        "@jambonz/mw-registrar": "^0.2.1",
-        "@jambonz/realtimedb-helpers": "^0.4.19",
+        "@jambonz/realtimedb-helpers": "^0.4.26",
        "@jambonz/stats-collector": "^0.1.6",
-        "@jambonz/time-series": "^0.1.5",
-        "aws-sdk": "^2.1060.0",
+        "@jambonz/time-series": "^0.1.6",
+        "aws-sdk": "^2.1073.0",
        "bent": "^7.3.12",
        "cidr-matcher": "^2.1.1",
        "debug": "^4.3.2",
        "deepcopy": "^2.1.0",
        "drachtio-fsmrf": "^2.0.13",
-        "drachtio-srf": "^4.4.55",
-        "express": "^4.17.1",
+        "drachtio-srf": "^4.4.61",
+        "express": "^4.17.3",
+        "helmet": "^5.0.2",
        "ip": "^1.1.5",
        "moment": "^2.29.1",
        "parse-url": "^5.0.7",
        "pino": "^6.13.4",
+        "short-uuid": "^4.2.0",
        "to-snake-case": "^1.0.0",
        "uuid": "^8.3.2",
        "verify-aws-sns-signature": "^0.0.6",
+        "ws": "^8.5.0",
        "xml2js": "^0.4.23"
      },
      "devDependencies": {
@@ -43,6 +46,10 @@
      },
      "engines": {
        "node": ">= 10.16.0"
+      },
+      "optionalDependencies": {
+        "bufferutil": "^4.0.6",
+        "utf-8-validate": "^5.0.8"
      }
    },
    "node_modules/@babel/code-frame": {
@@ -545,16 +552,16 @@
      }
    },
    "node_modules/@jambonz/realtimedb-helpers": {
-      "version": "0.4.19",
-      "resolved": "https://registry.npmjs.org/@jambonz/realtimedb-helpers/-/realtimedb-helpers-0.4.19.tgz",
-      "integrity": "sha512-wEc7OXogQ5SZ9mgLNxviBNY0WvUKGGztyDzze3oi44edsZp0vNneVHUmdZuDzuDvUMBqsvCa0fvri8LGaxovlw==",
+      "version": "0.4.26",
+      "resolved": "https://registry.npmjs.org/@jambonz/realtimedb-helpers/-/realtimedb-helpers-0.4.26.tgz",
+      "integrity": "sha512-vGNC5IsYj7Qj7mOfgfti0/ZouYs+9GHEX4v7w3JguPW1NqUbvFayPs3xo49di3NJsHV0NnKWx2rMgrZzvWTgTA==",
      "dependencies": {
        "@google-cloud/text-to-speech": "^3.4.0",
        "@jambonz/promisify-redis": "^0.0.6",
-        "aws-sdk": "^2.1060.0",
+        "aws-sdk": "^2.1072.0",
        "bent": "^7.3.12",
        "debug": "^4.3.3",
-        "microsoft-cognitiveservices-speech-sdk": "^1.19.0",
+        "microsoft-cognitiveservices-speech-sdk": "^1.20.0",
        "redis": "^3.1.2"
      }
    },
@@ -568,9 +575,9 @@
      }
    },
    "node_modules/@jambonz/time-series": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/@jambonz/time-series/-/time-series-0.1.5.tgz",
-      "integrity": "sha512-JDkAshqq9VRdIY7S/Edz9iIyKNoyCoUMfn0IUVyUG4Hf53fmhYRCnFnDTdMFAs6Y4amE39m3968nrZRr+lVIqQ==",
+      "version": "0.1.6",
+      "resolved": "https://registry.npmjs.org/@jambonz/time-series/-/time-series-0.1.6.tgz",
+      "integrity": "sha512-EFO1ZFUazHLCzDYkAbpke0IfmPRogLkGg+KGWwz3SGpnuiltfohQ3TsJ5KG8Gp9mXqdpkyAioWSdaJxGDquthQ==",
      "dependencies": {
        "debug": "^4.3.1",
        "influx": "^5.8.0"
@@ -658,12 +665,12 @@
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+      "integrity": "sha512-iWjXZvmboq0ja1pUGULQBexmxq8CV4xBhX7VDOTbL7ZR4FOowwY/VOtRxBN/yKxmdGoIp4j5ysNT4u3S2pDQ3Q==",
+      "optional": true
+    },
    "node-noop": {
      "version": "0.0.1",
      "resolved": "https://registry.npmjs.org/node-noop/-/node-noop-0.0.1.tgz",
@@ -8731,9 +8815,9 @@
      "integrity": "sha1-llOgNvt8HuQjQvIyXM7v6jkmxI0="
    },
    "qs": {
-      "version": "6.9.6",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.9.6.tgz",
-      "integrity": "sha512-TIRk4aqYLNoJUbd+g2lEdz5kLWIuTMRagAXxl78Q0RiVjAOugHmeKNGdd3cwo/ktpf9aL9epCfFqWDEKysUlLQ=="
+      "version": "6.9.7",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.9.7.tgz",
+      "integrity": "sha512-IhMFgUmuNpyRfxA90umL7ByLlgRXu6tIfKPpF5TmcfRLlLCckfP/g3IQmju6jjpu+Hh8rA+2p6A27ZSPOOHdKw=="
    },
    "querystring": {
      "version": "0.2.0",
@@ -8756,11 +8840,11 @@
      "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg=="
    },
    "raw-body": {
-      "version": "2.4.2",
-      "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.4.2.tgz",
-      "integrity": "sha512-RPMAFUJP19WIet/99ngh6Iv8fzAbqum4Li7AD6DtGaW2RpMB/11xDoalPiJMTbu6I3hkbMVkATvZrqb9EEqeeQ==",
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.4.3.tgz",
+      "integrity": "sha512-UlTNLIcu0uzb4D2f4WltY6cVjLi+/jEN4lgEUj3E04tpMDpUlkBo/eSn6zou9hum2VMNpCCUone0O0WeJim07g==",
      "requires": {
-        "bytes": "3.1.1",
+        "bytes": "3.1.2",
        "http-errors": "1.8.1",
        "iconv-lite": "0.4.24",
        "unpipe": "1.0.0"
@@ -9476,9 +9560,9 @@
      }
    },
    "url-parse": {
-      "version": "1.5.3",
-      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.3.tgz",
-      "integrity": "sha512-IIORyIQD9rvj0A4CLWsHkBBJuNqWpFQe224b6j9t/ABmquIS0qDU2pY6kl6AuOrL5OkCXHMCFNe1jBcuAggjvQ==",
+      "version": "1.5.10",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
+      "integrity": "sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==",
      "requires": {
        "querystringify": "^2.1.1",
        "requires-port": "^1.0.0"
@@ -9489,6 +9573,15 @@
      "resolved": "https://registry.npmjs.org/username-sync/-/username-sync-1.0.3.tgz",
      "integrity": "sha512-m/7/FSqjJNAzF2La448c/aEom0gJy7HY7Y509h6l0ePvEkFictAGptwWaj1msWJ38JbfEDOUoE8kqFee9EHKdA=="
    },
+    "utf-8-validate": {
+      "version": "5.0.8",
+      "resolved": "https://registry.npmjs.org/utf-8-validate/-/utf-8-validate-5.0.8.tgz",
+      "integrity": "sha512-k4dW/Qja1BYDl2qD4tOMB9PFVha/UJtxTc1cXYOe3WwA/2m0Yn4qB7wLMpJyLJ/7DR0XnTut3HsCSzDT4ZvKgA==",
+      "optional": true,
+      "requires": {
+        "node-gyp-build": "^4.3.0"
+      }
+    },
    "util-deprecate": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -9662,9 +9755,9 @@
      }
    },
    "ws": {
-      "version": "7.5.5",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.5.tgz",
-      "integrity": "sha512-BAkMFcAzl8as1G/hArkxOxq3G7pjUqQ3gzYbLL0/5zNkph70e+lCoxBGnm6AW1+/aiNeV4fnKqZ8m4GZewmH2w==",
+      "version": "8.5.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
+      "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
      "requires": {}
    },
    "xml2js": {
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "jambonz-feature-server",
-  "version": "v0.7.2",
+  "version": "v0.7.4",
  "main": "app.js",
  "engines": {
    "node": ">= 10.16.0"
@@ -21,7 +21,7 @@
  },
  "scripts": {
    "start": "node app",
-    "test": "NODE_ENV=test JAMBONES_HOSTING=1 DRACHTIO_HOST=127.0.0.1 DRACHTIO_PORT=9060 DRACHTIO_SECRET=cymru JAMBONES_MYSQL_HOST=127.0.0.1 JAMBONES_MYSQL_PORT=3360 JAMBONES_MYSQL_USER=jambones_test JAMBONES_MYSQL_PASSWORD=jambones_test JAMBONES_MYSQL_DATABASE=jambones_test JAMBONES_REDIS_HOST=127.0.0.1 JAMBONES_REDIS_PORT=16379 JAMBONES_LOGLEVEL=debug ENABLE_METRICS=0 HTTP_PORT=3000 JAMBONES_SBCS=172.38.0.10 JAMBONES_FREESWITCH=127.0.0.1:8022:ClueCon:docker-host JAMBONES_TIME_SERIES_HOST=127.0.0.1 JAMBONES_NETWORK_CIDR=172.38.0.0/16 node test/ ",
+    "test": "NODE_ENV=test JAMBONES_HOSTING=1 DRACHTIO_HOST=127.0.0.1 DRACHTIO_PORT=9060 DRACHTIO_SECRET=cymru JAMBONES_MYSQL_HOST=127.0.0.1 JAMBONES_MYSQL_PORT=3360 JAMBONES_MYSQL_USER=jambones_test JAMBONES_MYSQL_PASSWORD=jambones_test JAMBONES_MYSQL_DATABASE=jambones_test JAMBONES_REDIS_HOST=127.0.0.1 JAMBONES_REDIS_PORT=16379 JAMBONES_LOGLEVEL=error ENABLE_METRICS=0 HTTP_PORT=3000 JAMBONES_SBCS=172.38.0.10 JAMBONES_FREESWITCH=127.0.0.1:8022:ClueCon:docker-host JAMBONES_TIME_SERIES_HOST=127.0.0.1 JAMBONES_NETWORK_CIDR=172.38.0.0/16 node test/ ",
    "coverage": "./node_modules/.bin/nyc --reporter html --report-dir ./coverage npm run test",
    "jslint": "eslint app.js lib"
  },
@@ -30,24 +30,27 @@
    "@jambonz/db-helpers": "^0.6.16",
    "@jambonz/http-health-check": "^0.0.1",
    "@jambonz/mw-registrar": "^0.2.1",
-    "@jambonz/realtimedb-helpers": "^0.4.19",
+    "@jambonz/realtimedb-helpers": "^0.4.26",
    "@jambonz/stats-collector": "^0.1.6",
-    "@jambonz/time-series": "^0.1.5",
-    "aws-sdk": "^2.1060.0",
+    "@jambonz/time-series": "^0.1.6",
+    "aws-sdk": "^2.1073.0",
    "bent": "^7.3.12",
    "cidr-matcher": "^2.1.1",
    "debug": "^4.3.2",
    "deepcopy": "^2.1.0",
    "drachtio-fsmrf": "^2.0.13",
-    "drachtio-srf": "^4.4.55",
-    "express": "^4.17.1",
+    "drachtio-srf": "^4.4.61",
+    "express": "^4.17.3",
+    "helmet": "^5.0.2",
    "ip": "^1.1.5",
    "moment": "^2.29.1",
    "parse-url": "^5.0.7",
    "pino": "^6.13.4",
+    "short-uuid": "^4.2.0",
    "to-snake-case": "^1.0.0",
    "uuid": "^8.3.2",
    "verify-aws-sns-signature": "^0.0.6",
+    "ws": "^8.5.0",
    "xml2js": "^0.4.23"
  },
  "devDependencies": {
@@ -57,5 +60,9 @@
    "eslint-plugin-promise": "^4.3.1",
    "nyc": "^15.1.0",
    "tape": "^5.2.2"
+  },
+  "optionalDependencies": {
+    "bufferutil": "^4.0.6",
+    "utf-8-validate": "^5.0.8"
  }
 }
Author	SHA1	Message	Date
snyk-bot	eea1ab17d1	fix: upgrade express from 4.17.2 to 4.17.3 Snyk has created this PR to upgrade express from 4.17.2 to 4.17.3. See this package in npm: https://www.npmjs.com/package/express See this project in Snyk: https://app.snyk.io/org/davehorton/project/cec90d0e-0ded-433e-a42e-fe78b28ae489?utm_source=github&utm_medium=referral&page=upgrade-pr	2022-03-10 05:20:43 +00:00
Dave Horton	7188648d3b	gather/config: bargein fixes	2022-03-09 13:35:54 -05:00
Dave Horton	d00ea5c95f	bump version	2022-03-08 20:19:13 -05:00
Dave Horton	ddcbda988f	bugfix: clean files only fired once	2022-03-08 18:51:45 -05:00
Dave Horton	ddf00c0ddf	typo	2022-03-08 14:10:22 -05:00
Dave Horton	fd8df533ab	remove call to clear channels	2022-03-08 14:01:07 -05:00
Dave Horton	4b1199242f	added option for clearing old tts files and orphaned channels periodically	2022-03-08 13:07:37 -05:00
Dave Horton	72225791b9	logging and cleanup	2022-03-07 13:54:47 -05:00
Dave Horton	172dc1aaa7	Feature/config verb (#77 ) * remove cognigy verb * initial implementation of config verb * further updates to config * Bot mode alex (#75) * do not use default as value for TTS/STT * fix gather listener if no say or play provided Co-authored-by: akirilyuk <a.kirilyuk@cognigy.com> * gather: listenDuringPrompt requires a nested play/say * fix exception * say: fix exception where caller hangs up during say * bugfix: sip refer was not ending if caller hungup during refer * add support for sip:request to ws commands * gather: when bargein is set and minBargeinWordCount is zero, kill audio on endOfUtterrance * gather/transcribe: add support for google boost and azure custom endpoints * minor logging changes * lint error Co-authored-by: akirilyuk <45361199+akirilyuk@users.noreply.github.com> Co-authored-by: akirilyuk <a.kirilyuk@cognigy.com>	2022-03-06 15:09:45 -05:00
Dave Horton	72b74de767	Feature/incoming refer (#76 ) * Dial: handle incoming REFER on either leg by calling referHook, if configured * lint * modify payload of referHook * support target.trunk on rest createCall api * bugfix: gather partial result hook was not working * lint * handling of incoming REFER	2022-03-05 15:21:26 -05:00
Dave Horton	9908485eb8	bugfix: sip:refer would not finish if caller hungup before refer got final notify	2022-03-02 10:15:40 -05:00
Dave Horton	fb25389cd1	add support for session:reconnect over ws api	2022-02-27 16:57:00 -05:00
Dave Horton	f317fbaa45	Feature/gather enhancements (#73 ) * add bargein support to gather * bugfix: gather handles interim results from azure * gather: support for min/max digits and interdigit timeout * add task summary to some log messages * logging improvements	2022-02-27 13:38:02 -05:00
Dave Horton	3c5d392407	Feature/ws api (#72 ) initial changes to support websockets as an alternative to webhooks	2022-02-26 14:06:52 -05:00
Dave Horton	5bfc451c85	when running on kubernetes, use sbc-sip service rather than pinging sbcs	2022-02-23 12:27:34 -05:00
Dave Horton	47478fd409	fix possible exception	2022-02-19 09:57:51 -05:00
Dave Horton	c16a2662f2	bugfix: rest outdial issue caused by req.srf not properly set	2022-02-14 09:14:13 -05:00
Dave Horton	c1130adf03	merge	2022-02-12 10:12:45 -05:00
Dave Horton	f982f6c7d8	update to latest realtimedb-helpers	2022-02-12 10:10:03 -05:00
Snyk bot	f20190b0fc	fix: upgrade aws-sdk from 2.1061.0 to 2.1062.0 (#69 ) Snyk has created this PR to upgrade aws-sdk from 2.1061.0 to 2.1062.0. See this package in npm: https://www.npmjs.com/package/aws-sdk See this project in Snyk: https://app.snyk.io/org/davehorton/project/cec90d0e-0ded-433e-a42e-fe78b28ae489?utm_source=github&utm_medium=referral&page=upgrade-pr	2022-02-12 09:23:13 -05:00
Snyk bot	74e85e1b16	fix: upgrade aws-sdk from 2.1060.0 to 2.1061.0 (#68 ) Snyk has created this PR to upgrade aws-sdk from 2.1060.0 to 2.1061.0. See this package in npm: https://www.npmjs.com/package/aws-sdk See this project in Snyk: https://app.snyk.io/org/davehorton/project/cec90d0e-0ded-433e-a42e-fe78b28ae489?utm_source=github&utm_medium=referral&page=upgrade-pr	2022-02-11 07:48:02 -05:00
Dave Horton	63e9cb985e	allow target-level headers on outdials (#29 )	2022-02-10 14:34:21 -05:00
Dave Horton	2e88ab1f55	bugfix: race condition on hangup sometimes resulted in outbound call attempt even though caller had hung up	2022-02-10 12:15:25 -05:00
Dave Horton	7f75a35515	bugfix: race condition on hangup could cause us to send dup webhook	2022-02-10 11:16:57 -05:00
Dave Horton	941727e93f	add fs_public_ip to webhook payload (only when running in ec2 autoscale group)	2022-02-10 09:51:48 -05:00
Dave Horton	d8bfa33a00	include fs_sip_address and api_base_url in webhook paylods	2022-02-10 09:19:33 -05:00
Dave Horton	30ed5b6a02	add support for vad to gather and transcribe (#67 )	2022-02-10 08:45:16 -05:00
Dave Horton	bac1b7f2c6	bump version	2022-02-09 15:42:27 -05:00
Dave Horton	48deb3ae89	update to latest @jambonz/realtimedb-helpers with support for redis username / password auth	2022-02-09 15:21:55 -05:00
Dave Horton	de83f735ea	memory leak fixes	2022-02-08 20:33:16 -05:00
Dave Horton	cfe9397502	lint	2022-02-03 07:36:01 -05:00
Dave Horton	dda3335060	update deps, add helmet middleware	2022-02-03 07:31:30 -05:00