Are you getting early media? For example if you have TDM trunks on the far
end, you might be getting a 183 Call proceeding with an SDP that should be
used to open media stream for audible ring being sent in band, this would
typically be send only from TDM side. The 200 OK should then provide the
complete SDP.

On 4/3/06, Mahesh Govind <[EMAIL PROTECTED]> wrote:
>
> HI,
>
> If the following topic was clarified earlier , could you please give me
> some pointers for the same .
>
>
> Offer answer model tells that  the offer has to be send in a reliable
> response .
> Many UAs are sending  sdp in ureliable 18x  and  again in 200 .
> The sdps have to be same according to the guide lines provided .
> Now for  making  RTP connection ,
>
> Can I use the  details provided in 180  .
> Or I have to wait until i get a 200 with  the same sdp .If  I have to use
> the sdp in 200 , what is the actual use of
> getting snap shot in unreliable 180x. Why should i parse the sdp in
> unreliable 180x.
>
> What  I have to do if the sdps are going to be different(in unreliable 180
> and 200).
>
> With thanks and regards
> Mahesh
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