On Wed, Apr 21, 2010 at 2:10 AM, Nikolay Kondratyev <[email protected]> wrote:
> Hi all,
> i have a question regarding "late media" use in sipxbridge...
> When incoming call is going through sipxbridge and is transferred by the
> phone or by AA, sipxbridge converts Refer into re-Invite without sdp.
> I have installation where the equipment to which sipx is connected does not
> support this.


Support for re-INVITE (no SDP) in order to solicit a SDP offer is
mandatory. There is no way to avoid this.

The reason for necessitating this is that endpoints support different
codecs and hence sipxbridge orchestrates codec re-negotiation.

Ranga

> So...
> Do i understand right, that the reason for this behaviour is that Refer
> (which is coming to the sipxbridge and is to be converted into re-invite) is
> allready without sdp?
> Can anybody please advise if there is a way to avoid the problem?
> Thanks in advance,
> Nikolay.
>
> P.S. sipx version - 4.0.4
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-- 
M. Ranganathan
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