Re: [reSIProcate] Forking of INVITE request - regarding
Hi,
I am a novice to SIP...
But as far as I know
1. The proxy that has forked the Invite request (to 3 destinations) has to send a ACK to the first 200 OK response sender and Cancels for the late (in our case 2) 200 OK senders.
or
2. Adam's client has to take care for canceling the second and third OKs.
https://lists.cs.columbia.edu/pipermail/sip-implementors/2006-August/013833.html
"
Most UAs do not support multiple confirmed dialogs that happen when the
INVITE reaches multiple UASs and they send a 2xx before the forking
proxy can CANCEL them. The UA will typically keep the dialog for the
first 2xx it receives, and terminate the dialog for any subsequent 2xx
(send ACK, and then BYE).
"
May be, this helps you!
Regards,
Ramsundar
Raj <ponrajit@xxxxxxxxx> wrote:
Consider the following situation.
Adam wants to call Bob, let?s say that Bob is
registered at three locations, that is, at home, at
head office and at his branch office. Hence, when Adam
makes a call, INVITE request is forked by the proxy
and it reaches all the three destinations. Hence,
three 200 OK SIP response will be sent back to Adam.
Consider the situation, when Bob?s friends answer the
call at all the three locations at the same time, what
will happen? Either three media channel will be
established between them or which two will be
discarded.
Can anyone please clear this?
With regards
Raj.
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