[SIPForum-discussion] SIP 180 and SIP 183 messages

[vlrk]

there is a possibility , media negotiation can be done through 183 sessions progress also.

If there is a problem in negotiation the early media session would be closed.

regards
vlrk

ovaciklim <ovaciklim at yahoo.com> wrote: Hey folks,

Considering a case that we make an outbound call from a softphone;

is there a possibility of that we would receive 183 Session Progress message containing SDP after receiving 180 Ringing message? 

thanks in advance

-O
        

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