[Freeswitch-dev] Multiple ptime in SDP

[Anthony Minessale]

It makes one m= line per distinct ptime from your codec list because you
are not allowed to have more than 1 ptime param per m line.



On Thu, Jun 27, 2013 at 10:29 PM, Xijing Dai <dxj19831029 at gmail.com> wrote:

> hey,
>
> I had the same issue as u, I think freeswitch only handles first ptime
> codec list, not very sure about it.
>
>
>
>
> Cheers
>
>
> On Tue, Jun 11, 2013 at 10:29 PM, Wolfgang Pichler <wpichler at yosd.at>wrote:
>
>> Hi all,
>>
>> i did have a problem while doing a interconnection to a customer, with
>> multiple ptime in sdp. His equipment did not accepted the sdp freeswitch
>> offered
>>
>>  *m=audio 52628 RTP/AVP 0 8 3 9 18 101 13*
>>
>> *a=rtpmap:101 telephone-event/8000*
>>
>> *a=fmtp:101 0-16*
>>
>> *a=ptime:20*
>>
>> *m=audio 52628 RTP/AVP 4 101 13*
>>
>> *a=rtpmap:101 telephone-event/8000*
>>
>> *a=fmtp:101 0-16*
>>
>> *a=ptime:30*
>>
>> *
>> *
>>
>> *to avoid this - i have added sdp_m_per_ptime=false before bridge. *
>>
>> *
>> *
>>
>> *I have done some readings about this - and it is not clear to me if
>> freeswitch accts according to this draft
>> http://tools.ietf.org/html/draft-garcia-mmusic-multiple-ptimes-problem-01
>> *
>>
>> *It seems to be a mix between method 2 and method 6 - but i am not sure.*
>>
>> *
>> *
>>
>> *Can anyone clearify which method freeswitch is using here ?*
>>
>> *
>> *
>>
>> *br,*
>>
>> *Wolfgang Pichler*
>>
>> _________________________________________________________________________
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>>
>> 
>> 
>>
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>>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
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> http://wiki.freeswitch.org
> http://www.cluecon.com
>
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>


-- 
Anthony Minessale II

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