[SIPForum-discussion] Regarding 183 Session Progress with SDP

[Andrey Ermoshin]

The SDP can be included in ACK message if it is SLOW START type of
negotiation.


2013/11/8 Shrivastava, Keshav (Keshav) <kshrivastava at avaya.com>

>  Hi Team,
>
>
>
> I’ve a scenario where UAC is not acknowledging the SDP in 183 Session
> Progress  sent by UAS (200 OK followed by 183 progress does not have any
> SDP). I noticed that the 183 Session Progress does not have any session
> header as specified by draft RFC
> http://tools.ietf.org/id/draft-ietf-sip-183-00.txt.
>
>
>
> Who is wrong here UAC or UAS?
>
>
>
> Thanks,
>
> Keshav
>
>
>
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