update rtpengine-utils again

Co-authored-by: Markus Frindt <m.frindt@cognigy.com>

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=linux/amd64 node:18.8.0-alpine as base
+FROM --platform=linux/amd64 node:18.9.0-alpine3.16 as base
 
 RUN apk --update --no-cache add --virtual .builds-deps build-base python3
 

app.js

@@ -69,7 +69,7 @@ const {
 const ngProtocol = process.env.JAMBONES_NG_PROTOCOL || 'udp';
 const ngPort = process.env.RTPENGINE_PORT || ('udp' === ngProtocol ? 22222 : 8080);
 const {getRtpEngine, setRtpEngines} = require('@jambonz/rtpengine-utils')([], logger, {
-  emitter: stats,
+  //emitter: stats,
   dtmfListenPort: process.env.DTMF_LISTEN_PORT || 22224,
   protocol: ngProtocol
 });

lib/call-session.js

@@ -80,6 +80,10 @@ class CallSession extends Emitter {
     return tp && -1 !== tp.indexOf('SAVP');
   }
 
+  get isFive9VoiceStream() {
+    return this.req.has('X-Five9-StreamingPairId');
+  }
+
   async connect() {
     const {sdp} = this.req.locals;
     this.logger.info('inbound call accepted for routing');
@@ -246,6 +250,17 @@ class CallSession extends Emitter {
             this.logger.error(`rtpengine answer failed with ${JSON.stringify(response)}`);
             throw new Error('rtpengine failed: answer');
           }
+          /* special case: Five9 Voicestream calls do not advertise a:sendonly, though they should */
+          if (this.isFive9VoiceStream) {
+            const opts = {
+              ...this.rtpEngineOpts.common,
+              'from-tag':this.rtpEngineOpts.uac.tag
+            };
+            this.logger.info('Voicestream call from Five9, blocking audio in the reverse direction');
+            const response = await Promise.all([this.blockMedia(opts), this.blockDTMF(opts)]);
+            this.logger.debug({response}, 'response to blockMedia/blockDTMF');
+          }
+
           return response.sdp;
         }
       });
@@ -508,11 +523,16 @@ Duration=${payload.duration} `
         req.body;
 
       const reason = req.get('X-Reason');
+      const isReleasingMedia = reason && dlg.type === 'uas' && ['release-media', 'anchor-media'].includes(reason);
       const fromTag = dlg.type === 'uas' ? this.rtpEngineOpts.uas.tag : this.rtpEngineOpts.uac.tag;
       const toTag = dlg.type === 'uas' ? this.rtpEngineOpts.uac.tag : this.rtpEngineOpts.uas.tag;
       const offerMedia = dlg.type === 'uas' ? this.rtpEngineOpts.uac.mediaOpts : this.rtpEngineOpts.uas.mediaOpts;
       const answerMedia = dlg.type === 'uas' ? this.rtpEngineOpts.uas.mediaOpts : this.rtpEngineOpts.uac.mediaOpts;
       const direction =  dlg.type === 'uas' ? ['public', 'private'] : ['private', 'public'];
+      if (isReleasingMedia) {
+        if (!offerMedia.flags.includes('asymmetric')) offerMedia.flags.push('asymmetric');
+        offerMedia.flags = offerMedia.flags.filter((f) => f !== 'media handover');
+      }
       let opts = {
         ...this.rtpEngineOpts.common,
         ...offerMedia,
@@ -531,11 +551,11 @@ Duration=${payload.duration} `
 
       /* if this is a re-invite from the FS to change media anchoring, avoid sending the reinvite out */
       let sdp;
-      if (reason && dlg.type === 'uac' && ['release-media', 'anchor-media'].includes(reason) &&
-        !this.callerIsUsingSrtp) {
+      if (isReleasingMedia && !this.callerIsUsingSrtp) {
         this.logger.info({response}, `got a reinvite from FS to ${reason}`);
         sdp = dlg.other.remote.sdp;
-        answerMedia.flags = ['asymmetric', 'port latching'];
+        if (!answerMedia.flags.includes('asymmetric')) answerMedia.flags.push('asymmetric');
+        answerMedia.flags = answerMedia.flags.filter((f) => f !== 'media handover');
         this._mediaReleased = 'release-media' === reason;
       }
       else {
@@ -776,10 +796,10 @@ Duration=${payload.duration} `
       res.send(202);
 
       // invite to new fs
-      const headers = {};
-      if (req.has('X-Retain-Call-Sid')) {
-        Object.assign(headers, {'X-Retain-Call-Sid': req.get('X-Retain-Call-Sid')});
-      }
+      const headers = {
+        ...(req.has('X-Retain-Call-Sid') && {'X-Retain-Call-Sid': req.get('X-Retain-Call-Sid')}),
+        ...(req.has('X-Account-Sid') && {'X-Account-Sid': req.get('X-Account-Sid')})
+      };
       const uac = await this.srf.createUAC(referTo.uri, {localSdp: dlg.local.sdp, headers});
       this.uac = uac;
       uac.other = this.uas;

lib/db-utils.js

@@ -139,7 +139,7 @@ module.exports = (srf, logger) => {
           /* we have one or more carriers that match.  Now we need to find one with a provisioned phone number */
           const vc_sids = matches.map((m) => `'${m.voip_carrier_sid}'`).join(',');
           const did = normalizeDID(req.calledNumber);
-          const sql =  `SELECT * FROM phone_numbers WHERE number = ${did} AND voip_carrier_sid IN (${vc_sids})`;
+          const sql =  `SELECT * FROM phone_numbers WHERE number = '${did}' AND voip_carrier_sid IN (${vc_sids})`;
           logger.debug({matches, sql, did, vc_sids}, 'looking up DID');
 
           const [r] = await pp.query(sql);

lib/utils.js

@@ -12,10 +12,12 @@ const getAppserver = (srf) => {
 };
 
 function makeRtpEngineOpts(req, srcIsUsingSrtp, dstIsUsingSrtp, teams = false) {
+  const rtpCopy = JSON.parse(JSON.stringify(rtpCharacteristics));
+  const srtpCopy = JSON.parse(JSON.stringify(srtpCharacteristics));
   const from = req.getParsedHeader('from');
-  const srtpOpts = teams ? srtpCharacteristics['teams'] : srtpCharacteristics['default'];
-  const dstOpts = dstIsUsingSrtp ? srtpOpts : rtpCharacteristics;
-  const srcOpts = srcIsUsingSrtp ? srtpOpts : rtpCharacteristics;
+  const srtpOpts = teams ? srtpCopy['teams'] : srtpCopy['default'];
+  const dstOpts = dstIsUsingSrtp ? srtpOpts : rtpCopy;
+  const srcOpts = srcIsUsingSrtp ? srtpOpts : rtpCopy;
 
   /* webrtc clients (e.g. sipjs) send DMTF via SIP INFO */
   if ((srcIsUsingSrtp || dstIsUsingSrtp) && !teams) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sbc-inbound",
-  "version": "v0.7.6",
+  "version": "v0.7.7",
   "main": "app.js",
   "engines": {
     "node": ">= 12.0.0"
@@ -29,10 +29,10 @@
     "@jambonz/http-authenticator": "^0.2.2",
     "@jambonz/http-health-check": "^0.0.1",
     "@jambonz/realtimedb-helpers": "^0.4.29",
-    "@jambonz/rtpengine-utils": "^0.3.6",
+    "@jambonz/rtpengine-utils": "^0.3.10",
     "@jambonz/siprec-client-utils": "^0.1.4",
     "@jambonz/stats-collector": "^0.1.6",
-    "@jambonz/time-series": "^0.2.4",
+    "@jambonz/time-series": "^0.2.5",
     "aws-sdk": "^2.1152.0",
     "bent": "^7.3.12",
     "cidr-matcher": "^2.1.1",