[Freeswitch-dev] Multiple ptime in SDP

[Xijing Dai]

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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