<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div>Hi</div><div><br></div><div id="yui_3_16_0_1_1474438926917_13764">Try Freeswitch 1.6.x - preferably 1.6.10 - lots of things changed since 1.5.x .<br></div><div id="yui_3_16_0_1_1474438926917_13763"><span id="yui_3_16_0_1_1474438926917_13762">Freeswitch and Linphone work pretty good together when it comes to Opus .</span></div><div id="yui_3_16_0_1_1474438926917_13678" class="qtdSeparateBR"><div id="yui_3_16_0_1_1474438926917_13761"><br></div><div id="yui_3_16_0_1_1474438926917_13759">Cheers,</div><div id="yui_3_16_0_1_1474438926917_13758">Dragos<br></div><br></div><div style="display: block;" id="yui_3_16_0_1_1474438926917_13668" class="yahoo_quoted">  <div id="yui_3_16_0_1_1474438926917_13667" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1474438926917_13666" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1474438926917_13675" dir="ltr"> <font id="yui_3_16_0_1_1474438926917_13676" face="Arial" size="2"> <hr id="yui_3_16_0_1_1474438926917_13677" size="1"> <b><span style="font-weight:bold;">From:</span></b> Russell Treleaven &lt;rtreleaven@bunnykick.ca&gt;<br> <b><span style="font-weight: bold;">To:</span></b> linphone-developers@nongnu.org; linphone-users@nongnu.org; FreeSWITCH Users Help &lt;freeswitch-users@lists.freeswitch.org&gt; <br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, September 20, 2016 9:42 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> [Linphone-developers] comfort noise and opus<br> </font> </div> <div id="yui_3_16_0_1_1474438926917_13665" class="y_msg_container"><br><div id="yiv5836120455"><div id="yui_3_16_0_1_1474438926917_13664" dir="ltr">I noticed something that I thought I would share for the benefit of others.<div id="yui_3_16_0_1_1474438926917_13674"><br></div><div id="yui_3_16_0_1_1474438926917_13730"><div id="yui_3_16_0_1_1474438926917_13729">FreeSWITCH Version 1.5.15b+git~20141215T224714Z~0b414a8de8~64bit (git 0b414a8 2014-12-15 22:47:14Z 64bit)</div></div><div id="yui_3_16_0_1_1474438926917_13673">Linphone 3.9.1<br></div><div id="yui_3_16_0_1_1474438926917_13672"><br></div><div id="yui_3_16_0_1_1474438926917_13663">To reproduce</div><div id="yui_3_16_0_1_1474438926917_13780">place a call with linphone using opus to a freeswitch server voicemail extension.</div><div id="yui_3_16_0_1_1474438926917_13739">listen to the outgoing message and leave a voicemail after the prompt.</div><div id="yui_3_16_0_1_1474438926917_13781"><br></div><div id="yui_3_16_0_1_1474438926917_13746">observed</div><div id="yui_3_16_0_1_1474438926917_13748">Fairly loud comfort noise is heard while leaving the message.</div><div id="yui_3_16_0_1_1474438926917_13749"><br></div><div id="yui_3_16_0_1_1474438926917_13750">expected</div><div>should hear silence instead of comfort noise.</div><div id="yui_3_16_0_1_1474438926917_13752"><br></div><div>If we change the codec to pcmu we hear silence instead of comfort noise.<br></div><div id="yui_3_16_0_1_1474438926917_13782">Comfort noise is heard because after the outgoing message freeswitch stops sending rtp.</div><div><br></div><div id="yui_3_16_0_1_1474438926917_13783">workaround</div><div>add this to the voicemail extension before the answer application.</div><div><div><span class="yiv5836120455gmail-Apple-tab-span" style="white-space:pre;">        </span>&lt;action</div><div><span class="yiv5836120455gmail-Apple-tab-span" style="white-space:pre;">                </span>application="set"</div><div><span class="yiv5836120455gmail-Apple-tab-span" style="white-space:pre;">                </span>data="record_waste_resources=true"</div><div><span class="yiv5836120455gmail-Apple-tab-span" style="white-space:pre;">        </span>&gt;&lt;/action&gt;</div></div><div><br></div><div>Sincerely,</div><div><br></div><div>Russell Treleaven</div><div><br></div><div><br></div><div><br></div><div><br></div></div></div><br>_______________________________________________<br>Linphone-developers mailing list<br><a ymailto="mailto:Linphone-developers@nongnu.org" href="mailto:Linphone-developers@nongnu.org">Linphone-developers@nongnu.org</a><br><a href="https://lists.nongnu.org/mailman/listinfo/linphone-developers" target="_blank">https://lists.nongnu.org/mailman/listinfo/linphone-developers</a><br><br><br></div> </div> </div>  </div></div></body></html>