[Freeswitch-users] FreeSwitch and Yealink

[Ivan]

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:

http://wiki.freeswitch.org/wiki/Channel_Variables#absolute_codec_string

ivan


On 08/07/2013 07:44 AM, Paul wrote:
> 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 at 10.0.0.34] has been
> answered
> sofia.c:6528 Hangup sofia/internal/105 at 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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