<div>Your phone is not offering any codecs in the INVITE:</div><div><br></div><div>m=audio 15696 RTP/AVP 19</div><div><br></div><div>The only payload type listed is 19 (comfort noise) - there are no codecs listed.</div><div>

<br></div><div>-Steve</div><div><br></div><div><br></div><div><br></div><br><br><div class="gmail_quote">On 20 June 2013 22:38, Sayyed Mohammad Emami Razavi <span dir="ltr">&lt;<a href="mailto:emamirazavi@gmail.com" target="_blank">emamirazavi@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>When i call destination 5000 with my registered phone via 3cx for ivr demo, my session hangs up(incompatible destination) suddenly and no sound heard from phone! anybody knows the solution?<br>



</div>FS log is here: <a href="http://pastebin.freeswitch.org/21084" target="_blank">http://pastebin.freeswitch.org/21084</a><br></div>all configs is default FS configurations.<br></div>i have just changed these lines in vars.xml:<br>

  &lt;X-PRE-PROCESS cmd=&quot;set&quot; data=&quot;global_codec_prefs=G729,G722,PCMU,PCMA,GSM&quot;/&gt;<br>

  &lt;X-PRE-PROCESS cmd=&quot;set&quot; data=&quot;outbound_codec_prefs=G729,PCMU,PCMA,GSM&quot;/&gt;<br><br></div>
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<br></blockquote></div><br>