bugfix: rtpengine now generates internal IP on sdp for internal-facing streams

lib/call-session.js

@@ -116,7 +116,7 @@ class CallSession extends Emitter {
 
       // rtpengine 'offer'
       debug('sending offer command to rtpengine');
-      const response = await this.offer(this.rtpEngineOpts.offer);
+      const response = await this.offer(this.rtpEngineOpts.offer, {sdp: this.req.body});
       debug(`response from rtpengine to offer ${JSON.stringify(response)}`);
       this.logger.debug({offer: this.rtpEngineOpts.offer, response}, 'initial offer to rtpengine');
       if ('ok' !== response.result) {

lib/utils.js

@@ -10,6 +10,7 @@ function makeRtpEngineOpts(req, srcIsUsingSrtp, dstIsUsingSrtp, teams = false) {
     common,
     offer: Object.assign(
       {'sdp': req.body, 'replace': ['origin', 'session-connection']},
+      {'direction': [ 'private', 'public']},
       common,
       dstIsUsingSrtp ? srtpOpts : rtpCharacteristics),
     answer: Object.assign(

test/docker-compose-testbed.yaml

@@ -27,6 +27,7 @@ services:
 
   rtpengine:
     image: drachtio/rtpengine:latest
+    command: rtpengine --interface private/172.39.0.12 --interface public/172.39.0.12!172.39.0.12
     ports:
       - "12222:22222/udp"
     networks: