[Freeswitch-users] Strange early media SDP behavior

[Sergey Okhapkin]

Also when leg B answers the call (with the same 3 codecs), FS sends 200 OK to 
leg A with all 3 codecs, so codecs strip happens for early media only.

The problem is that leg A early_sdp differs from local_sdp and mod_sofia 
disables SOA support which leads to problems later, when leg A uac sends SIP 
session timer reinvite.

On Saturday 14 August 2010, Sergey Okhapkin wrote:
> I would disagree, in bypass media mode FS is supposed to forward SDP as is,
> let endpoints to negotiate the codec.
> 
> On Saturday 14 August 2010, Kristian Kielhofner wrote:
> > It's standard SDP offer/answer. Fresswitch will not send three audio
> >  streams with three codecs. You're advertising three codecs with PCMU
> >  first. Freeswitch supports PCMU in your configuration and agrees on that
> >  codec.
> >
> > There are several configuration options in freeswitch and the phone that
> >  can influence this behavior.
> >
> >
> > --
> > Kristian Kielhofner
> > http://blog.krisk.org
> 
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