<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">inband tones are not reliable when using complex codecs. You also generally do not want to do inband at the same time as another dtmf method like info.<div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 29, 2018, at 3:23 AM, Andrew Paul <<a href="mailto:andrew.paul85@gmail.com" class="">andrew.paul85@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><span style="font-size:12.8px" class="">Hi all,</span><div style="font-size:12.8px" class=""><br class=""></div><div style="font-size:12.8px" class="">I am facing a issue with start_dtmf_generate when i use opus codec and SIP INFO dtmf.</div><div style="font-size:12.8px" class=""><br class=""></div><div style="font-size:12.8px" class="">Caller ( opus/dtmf ) ------------------------ Freeswitch ----------------------------- Calleee ( ulaw/inband) </div><div style="font-size:12.8px" class=""><br class=""></div><div style="font-size:12.8px" class="">Caller is using jssip webrtc and dtmf is in INFO. For inband dtmf generation i am using start_dtmf_generate in caller channel. </div><div style="font-size:12.8px" class=""><br class="">The setup is working when i use ulaw or ilbc or alaw codec. When i use webrtc with OPUS codec i am seeing the inband dtmf generation is not working. Webrtc with ulaw codec and dtmf INFO is working fine.</div><div style="font-size:12.8px" class=""><br class=""></div><div style="font-size:12.8px" class=""><br class=""><div class=""><div class="">Version : FreeSWITCH Version 1.6.17~64bit ( 64bit) </div><div class=""><br class=""></div><div class="">I am attaching the opus.conf.xml for the reference. </div><div class=""><br class=""></div><div class="">Any idea, why start_dtmf_generate is not working with opus codec ?. Do i need to set any setting for opus ?. </div></div></div></div></div></blockquote></div><br class=""></div></body></html>