[Freeswitch-dev] Freeswitch rejecting streams when a=rtpmap:96 /0

Anthony Minessale anthony.minessale at gmail.com
Thu Sep 19 23:41:05 MSD 2013


Try HEAD of master or stable, i added a patch,

I can see cisco arguing that since you are supposed to ignore a= lines it's
perfectly ok to specify an incomplete one......
Consider jira in the future.



On Thu, Sep 19, 2013 at 1:46 PM, Sam Russell <sam.h.russell at gmail.com>wrote:

> I would love it if they didn't send the pointless a=, but it looks like it
> may be a Cisco device that does this - and arguing with them is going to be
> as useful as yelling at a rock.
>
> Sent from my iPhone
>
> On 20/09/2013, at 6:45 AM, Anthony Minessale <anthony.minessale at gmail.com>
> wrote:
>
> It may be mad at the /0  which I assume is <name>/<speed> with blank name
> and 0 speed
> It may be that it's supposed to ignore it but since it doesn't like the
> format it still gets mad.
> Even better would be if they didn't send a pointless a= with questionable
> content in the first place.
>
>
>
>
> On Thu, Sep 19, 2013 at 7:45 AM, Brian West <brian at freeswitch.org> wrote:
>
>> Can you provide the entire sip dialog?
>>
>>
>> --
>> Brian West
>> brian at freeswitch.org
>> FreeSWITCH Solutions, LLC
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>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Sep 18, 2013, at 7:11 PM, Sam Russell <sam.h.russell at gmail.com> wrote:
>>
>> > Hi,
>> >
>> > I've been using Freeswitch as a PBX, and I'm having problems when
>> making video calls when the video stream is rejected. The other endpoint
>> (happens on 4 distinct endpoints) sends back a m= line with port 0, and an
>> a= line with codec type as /0. When this happens, I get the error
>> "sofia.c:1431 nua_i_media_error: unknown event 22: 988 Incomplete
>> offer/answer" and the call is rejected.
>> >
>> > I think Freeswitch is getting upset with the a= line after the "m=video
>> 0" line because there's no codec name. The RFC says that any a= lines after
>> an m= line with port=0 must be ignored, is this a bug?
>> >
>> > t=0 0
>> > m=audio 31720 RTP/AVP 8 101
>> > a=rtpmap:8 PCMA/8000
>> > a=rtpmap:101 telephone-event/8000
>> > a=fmtp:101 0-15
>> > m=video 0 RTP/AVP 96
>> > a=rtpmap:96 /0
>> >
>> _________________________________________________________________________
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>
>
> --
> Anthony Minessale II
>
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>
> 
> 
>
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>
> 
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-- 
Anthony Minessale II

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