[Asterisk-video] Video SDP Problem.

[David J.]

Thanks for the info;

Perhaps I can run that version in a lab just to see it work;

I thought maybe there is a proxy mode that sends the SDP as it is; this 
way maybe it has a chance of working correctly?

Thanks.



On 12/27/10 6:12 PM, Gunnar Hellström wrote:
> You are right, there are a lot of shortcomings in SDP-handling in all 
> trunks, branches and releases of Asterisk.
>
> There was once a branch called Videocaps, with the ambition to get 
> fully working sdp-handling of video in Asterisk.  Including relation 
> of sdp on both sides of a call as you ask for.
> It worked fine for its purposes, but is now outdated because it was 
> not fully integrated in any Asterisk trunk.
>
> You can read about the history in
> http://www.voip-info.org/wiki/view/Asterisk+video
>
> The result is what you describe. Inconsistent SDP handling, with 
> parameters, m-lines etc appearing without real reason and correlation 
> between the legs of a session.
>
> One apparent problem is when you have calls without audio. That case 
> really need a thorough revision.
>
> Sorry for not offering a solution, other than going back to the 
> Videocaps branch and losing a lot of other good improvements in Asterisk.
>
> /Gunnar
>
>
> David J. skrev 2010-12-27 23:47:
>> I am having a problem with a Cisco phone and Video Support.
>>
>> It seems the SDP does not get parsed correctly; Perhaps there is a 
>> pass through mode in Asterisk for the SDP to get passed as is? Sort 
>> of like proxy mode.
>>
>> I tried a few scenarios; But without much success.
>>
>> Thanks in advance for any guidance.
>>
>> David.
>>
>>
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