Hi,
Caller should not send the second offer with out receiving the answer
to the first offer.
If the caller has received the answer in 180 reliable response then
caller can send the second offer either in prack or in update
request.
Thanks & Regards,
Srinivas CH,
Huawei Technologis India Pvt Ltd,
7th Floor Leela Palace,
Airport Road, Bangalore-8,
Contact: (Off) 080-41117676 ext: 7023 (Mob) +919731316362.
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-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Siddharth Sharma
Sent: Friday, May 23, 2008 3:27 PM
To: [email protected]
Subject: [Sip-implementors] Query: 200OK response to the UPDATE method
Hi all,
What should be the behavior if the caller receives 200OK response to the
UPDATE method between 200OK (containing answer) and ACK for INVITE
(containing an offer)?
Caller Callee
| |
| |
| (1) INVITE with offer 1 |
|---------------------------------------------->|
| |
| |
| (2) 180 |
|<----------------------------------------------|
| |
| |
| (3) UPDATE with offer 2 |
|---------------------------------------------->|
| |
| |
| (4) 200 INVITE with answer 1 |
|<----------------------------------------------|
| |
| |
| (5) 200 UPDATE with answer 2 |
|---------------------------------------------->|
| |
| |
| (6) ACK |
|---------------------------------------------->|
| |
| |
| |
| |
Regards,
Siddarth
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