[Freeswitch-users] INCOMPATIBLE_DESTINATION - did FS not offer a codec?

[Steven Ayre]

You should also be able to set it in the gateway configuration, I believe:
http://wiki.freeswitch.org/wiki/Sofia_Configuration_Files#Variables

If that works then that'll probably make it far easier to manage as you
won't need to put in any logic to alter the dialstring.

-Steve



On 14 September 2011 00:53, Avi Marcus <avi at avimarcus.net> wrote:

> OK then!
> Looking at my call logs, it seems to mostly happen with one particular
> carrier. Can I set verbose_sdp=true in the bridge string? e.g.
> "[verbose_sdp=true]sofia/gateway/... "?
>
> Thanks,
> -Avi
>
>
> On Tue, Sep 13, 2011 at 6:28 PM, Michael Collins <msc at freeswitch.org>wrote:
>
>> For the record, line #107 contains the codecs (and other stuff) that FS
>> offered:
>>
>> m=audio 16480 RTP/AVP 8 0 9 101 13
>>
>> The "8 0 9 101 13" represent the codecs (and other stuff). What do those
>> numbers mean? This wiki page has the list:
>>
>> http://wiki.freeswitch.org/wiki/RTP_payload_list
>>
>> The SDP spec says that for non-dynamic payload numbers you are NOT
>> required to have the "a=rtpmap" lines. This makes sense because those
>> payload numbers don't change meaning until you get up to 96 and higher. The
>> issue is that some devices are broken and require the "a=rtpmap" lines for
>> the payload types below number 96. The verbose_sdp chan var mentioned by KK
>> tells FS to add all those a=rtpmap lines for the non-dynamic payload types.
>> You should only set this var when absolutely necessary because those verbose
>> SDP's can cause the packets to be larger than the allowable MTU size.
>>
>> Dontcha just *love* SIP/SDP interop? :)
>>
>> -MC
>>
>> On Tue, Sep 13, 2011 at 8:01 AM, Avi Marcus <avi at avimarcus.net> wrote:
>>
>>> I see a failed bridge to my second carrier. The  sip_local_sdp_str
>>> doesn't show PCMU in it - did FS not offer any codecs?
>>>  FS log: http://pastebin.freeswitch.org/17316
>>> PCAP: http://ge.tt/95tFji7
>>>
>>> Can someone tell me what's going on here?
>>>
>>> -Avi
>>>
>>>
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>>
>>
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