Murali Radhakrishnan wrote:
> Hi,
>
> I have an Application Runing on a Weblogic Sip Server (BEA). In Case 1
> - Non Reliable scenario, when i send a UPDATE request, it reaches the
> destination (Request-URI) is set to the target.
>
> Case 1 :- Non- Reliable
>
> A (UAC) (App) Wlss (B2B) B (UAS)
>
> INVITE INVITE
> |-------------------------------------->|
> -------------------------------------->|
> 200OK 200OK
> |<--------------------------------------|
> <--------------------------------------|
> ACK ACK
>
> |-------------------------------------->|-------------------------------------->|
> UPDATE UPDATE
>
> |-------------------------------------->|-------------------------------------->|
>
> In this below case 2, where there is a early dialog and reliable provisional
> response situation. The UPDATE received at the application does not reach
> the destination. The request-uri is not set to the target.
>
> My question is
>
> Can we send UPDATE when there is a early dialog and will it reach the
> target ?
> Do we need to complete the 3-way handshake ( create dialog as in case 1) to
> send the UPDATE request ?
Superficially what you are doing in case 2 looks fine, and you should
expect that it will work.
But there could be some issue with the details of the messages, so it
would be good if you could provide actual message details.
Thanks,
Paul
> Case 2 :- Reliable Provisional response
>
> A (UAC) (App) Wlss (B2B) B (UAS)
>
> INVITE
> |-------------------------------------->|
> -------------------------------------->|
> 183 SP rel 183 SP rel
> /Early dialog established/
> |<--------------------------------------|
> <--------------------------------------|
> PRACK PRACK
>
> |-------------------------------------->|-------------------------------------->|
> 200 (PRACK) 200 (PRACK)
> |<--------------------------------------
> |<--------------------------------------|
> UPDATE
> |-------------------------------------->| fails
>
> Thanks and Regards,
> Murali.R
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