[SIPForum-discussion] B2BUA call flow.
sunitha r
sunitha.samiksha at gmail.com
Tue Apr 12 11:25:30 UTC 2011
Hello Xavi,
Thank you for your response. But still i need soem clarification.t.
The call-id for inleg and outleg are same or different? please justify your
answer.
I wanted to setup the B2BUA call flow like this, what should be the call-id
in Step(1),step(5),step(7).?
A B2BUA B
(1) INV Sdp A (inleg)
-------------->
(2) 200 Sdp B
<--------------
(3) ACK
--------------->
(4) RTP
<---------------------->
(5) INV NO Sdp(outleg)
--------------->
(6) 200 Sdp C
<--------------
(7) ReINV Sdp C
<---------------
(8) 200 Sdp D
---------------> (9) ACK Sdp D
---------------->
(10) ACK
<---------------
(11) RTP
<---------------------------------------->
Regards,
Sunitha.
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