Ivan thanks for your reply.<div><br></div><div>I'm willing to try anything :)</div><div><br></div><div>Where would I set those variables? In the dialplan out to the sip trunk?</div><div><br></div><div>Thanks</div><div><br></div><div>Paul<br><br>On Tue, 6 Aug, 2013 at 10:48 PM, Ivan &lt;ivan@c3i.bg&gt; wrote:<br>
<blockquote type="cite"><div class="plaintext" style="white-space: pre-wrap;">Hangups with the cause you describe can be caused by a failed codec 
negotiation. Are you sure it's not the case ? Does the remote phone send 
a sip "not acceptable here" ?

If needed you can force the selection of the "outgoing" codec:

<a href="http://wiki.freeswitch.org/wiki/Channel_Variables#absolute_codec_string">http://wiki.freeswitch.org/wiki/Channel_Variables#absolute_codec_string</a>

ivan


On 08/07/2013 07:44 AM, Paul wrote:
<blockquote> Hi guys,

 Has anyone had any issues using FreeSwitch with Yealink phones? My
 phones connect to FS via openvpn tunnel. All incoming calls work no
 problem, call comes through phones ring everyone can hear each other no
 issues, having a very strange issue though on the outgoing calls. As
 soon as the destination party picks up (this external calls) the call
 hangs up.

 short FS LOG:

 switch_ivr_bridge.c:475 Channel [sofia/internal/105@10.0.0.34] has been
 answered
 sofia.c:6528 Hangup sofia/internal/105@10.0.0.34 [CS_EXECUTE]
 [ORIGINATOR_CANCEL]
 switch_ivr_bridge.c:721 Hangup sofia/external/2503004900
 [CS_EXCHANGE_MEDIA] [NORMAL_CLEARING]

 So FS thinks the phone sent a BYE packet (which I can see with siptrace)
 but the phone's timer keeps going as if it thinks the call is supposed
 to keep going.

 Internal extension to extension works fine (even if the extensions are
 at a different physical location and subnet).

 I setup a second account to one of my asterisk servers and
 outgoing/incoming work just fine, so it seems this strange combination
 of FS and Yealink ... does it on 2 models T32G and T38G (only phones I
 have).

 I have updated firwmare to their latest version (which in the comments
 say freeswitch ready)

 Wondering if anyone else had any experience with these, or has some
 thoughts?

 Thanks

 Paul


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