[SIPForum-discussion] Is voice path before 200 OK is valid ?

[ganesh gouda]

Hi sharngoud,
would u like to tell me how it is valid scenario with out final responce
coming from  UA.
I am sorry i am new to SIP,i want to know more regarding the same.


On 6/9/08, Sharanagoud BD. <sharanagoud_bd at spanservices.com> wrote:
>
>  This is valid scenario
>
>
> Thanks,
> Sharanagoud.
>
>
>
>
>  ------------------------------
> *From:* discussion-bounces at sipforum.org [mailto:
> discussion-bounces at sipforum.org] *On Behalf Of *Shakthi
> *Sent:* Monday, June 09, 2008 12:32 PM
> *To:* SIP
> *Subject:* [SIPForum-discussion] Is voice path before 200 OK is valid ?
>
>
>
>
>
> 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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