[Freeswitch-users] Occasional INCOMPATIBLE_DESTINATION error

[Oleg Stolyar]

Thanks Brian, this makes a lot of sense.  Snippets from SDP in these
problem cases look like this:
   m=audio 0 RTP/SAVPF 111 103 104 9 0 8 106 105 13 126
   c=IN IP4 10.198.149.58
   a=rtcp:0 IN IP4 10.198.149.58

While good INVITES have this:
   m=audio 50937 RTP/SAVPF 111 103 104 9 0 8 106 105 13 126
   c=IN IP4 10.198.149.35
   a=rtcp:50937 IN IP4 10.198.149.35

Looks like it happens when the first parameter in m=audio is 0 even though
there is a seemingly valid attribute 0 present.  Should 0 be handled?  If
so, is this an FS bug?


On Mon, Jun 22, 2015 at 10:31 AM, Brian West <brian at freeswitch.org> wrote:

> See the logs with the offer and look at the codec parsing, without this
> its really hard to tell what is going on, it could be an issue in chrome.
> Do you ever see device or permission error?
>
> On Mon, Jun 22, 2015 at 12:29 PM, Oleg Stolyar <olegstolyar at gmail.com>
> wrote:
>
>> Hi guys,
>>
>> I am calling FreeSWITCH from Chrome with WebRTC (JsSip).  It works great
>> but occasionally (much less than 1%) FreeSWITCH does this when trying to
>> execute answer.  I cannot reproduce it at will, so just collecting data
>> from production logs.  Is there some way I can find out what exactly makes
>> FS unhappy?
>>
>> EXECUTE sofia/leia_agent/anonymous at anonymous.invalid answer()
>> 2015-06-22 16:04:53.414528 [DEBUG] switch_core_session.c:912 Send signal
>> sofia/leia_agent/anonymous at anonymous.invalid [BREAK]
>> 2015-06-22 16:04:53.414528 [NOTICE] switch_channel.c:3750 Hangup
>> sofia/leia_agent/anonymous at anonymous.invalid [CS_EXECUTE]
>> [INCOMPATIBLE_DESTINATION]
>> 2015-06-22 16:04:53.414528 [DEBUG] switch_channel.c:3242 Send signal
>> sofia/leia_agent/anonymous at anonymous.invalid [KILL]
>>
>>
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>
>
>
> --
>
> *Brian West*
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