many changes from testing

lib/utils/place-outdial.js

@@ -5,6 +5,13 @@ const {TaskPreconditions, CallDirection} = require('../utils/constants');
 const CallInfo = require('../session/call-info');
 const assert = require('assert');
 const ConfirmCallSession = require('../session/confirm-call-session');
+const selectSbc = require('./select-sbc');
+const Registrar = require('jambonz-mw-registrar');
+const registrar = new Registrar({
+  host: process.env.JAMBONES_REDIS_HOST,
+  port: process.env.JAMBONES_REDIS_PORT || 6379
+});
+
 const moment = require('moment');
 const uuidv4 = require('uuid/v4');
 
@@ -52,28 +59,39 @@ class SingleDialer extends Emitter {
 
   async exec(srf, ms, opts) {
     let uri, to;
-    switch (this.target.type) {
-      case 'phone':
-        assert(this.target.number);
-        uri = `sip:${this.target.number}@${this.sbcAddress}`;
-        to = this.target.number;
-        break;
-      case 'user':
-        assert(this.target.name);
-        uri = `sip:${this.target.name}`;
-        to = this.target.name;
-        break;
-      case 'sip':
-        assert(this.target.sipUri);
-        uri = this.target.sipUri;
-        to = this.target.sipUri;
-        break;
-      default:
-        // should have been caught by parser
-        assert(false, `invalid dial type ${this.target.type}: must be phone, user, or sip`);
-    }
-
     try {
+      switch (this.target.type) {
+        case 'phone':
+          assert(this.target.number);
+          uri = `sip:${this.target.number}@${this.sbcAddress}`;
+          to = this.target.number;
+          break;
+        case 'user':
+          assert(this.target.name);
+          const aor = this.target.name;
+          uri = `sip:${this.target.name}`;
+          to = this.target.name;
+
+          // need to send to the SBC registered on
+          const reg = await registrar.query(aor);
+          if (reg) {
+            const sbc = selectSbc(reg.sbcAddress);
+            if (sbc) {
+              this.logger.debug(`SingleDialer:exec retrieved registration details for ${aor}, using sbc at ${sbc}`);
+              this.sbcAddress = sbc;
+            }
+          }
+          break;
+        case 'sip':
+          assert(this.target.sipUri);
+          uri = this.target.sipUri;
+          to = this.target.sipUri;
+          break;
+        default:
+          // should have been caught by parser
+          assert(false, `invalid dial type ${this.target.type}: must be phone, user, or sip`);
+      }
+
       this.updateCallStatus = srf.locals.dbHelpers.updateCallStatus;
       this.serviceUrl = srf.locals.serviceUrl;