[SIPForum-discussion] Is voice path before 200 OK is valid ?
Andrew Norton
andrew.m.norton at gmail.com
Mon Jun 9 07:48:53 UTC 2008
This is valid if the 18X signalling has a sdp.
On 6/9/08, Shakthi <shakthi_msc at yahoo.com> wrote:
>
> Is voice path before 200 OK is valid ?
>
> Pls look at the call flow:
>
>
> A
> B
>
> INVITE
> --------------------------------->
> 180
> Ringing
> <---------------------------------
> RTP (g.723)
> <-------------------------------->
> 200 OK
> <-------------------------------
> RTP
> (g.723)
> <------------------------------>
> ACK
> ------------------------------->
> BYE
> <-----------------------------
> 200 OK
> ------------------------------->
>
> Is this a valid call flow?
> Can RTP come in to the scene before 200 OK?
>
> - Thanx
>
>
>
>
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