Pjsip and X-Lite codec negotiation problem

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Am 21.09.2011 23:34, schrieb Vlad Baranovsky:
> Hello,
>  
> I have a question regarding codec negotiation between a Mac OS
> PjSip-based client and Counterpath's X-lite. I've tried the scenario
> with both the 1.10 and 2.0 versions of PjSip. I'm using version 4.1 of
> the X-lite client. The scenario is as follows:
>  
> 1. Initiate call from PjSip client to X-Lite client
> 2. PjSip offers list of supported codecs
> 3. X-Lite responds with acceptable codecs (note multiple)
> 4. PjSip attempts to update the session to use only one codec
> 5.  X-Lite continues to respond with a list
> 6. Steps 4-5 are repeated until session is disconnected.
>  
> Note that if either X-Lite or Pjsip are configured to use only one
> codec, this does not happen and everything works as expected. Below is a
> PjSip log snippet showing the offer/response loop..  Am I doing
> something wrong here? Is there a bug in X-Lite or PjSip? Any suggestions
> would be very much appreciated.

The trace shows overlapping reINVITEs/UPDATE with retransmissions of the
UPDATE request. Thus, yes there is a problem in the trace but it seems
different to the problem you described.

regards
klaus



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