Hi,
UAS should retransmit 200 OK at the interval of Timer G(initially T1
then 2*T1) up to the timer H (64*T1).
Ref RFC 3261: A Table of Timer Values
Timer G - INVITE response retransmit interval
Timer H - Wait time for ACK receipt
Regards,
Karthic
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Jitendra Singh Bhadoriya
Sent: Wednesday, May 07, 2008 2:40 PM
To: [email protected]
Subject: [Sip-implementors] 200 OK Retransmission
Hi,
When a UAS receives INVITE, it responds with 200 OK. But in case, the
UAC does
Not sends an ACK for the 200 OK, then how many times the 200 OK is
retransmitted and
At what interval this re-transmission happens (Assuming non-reliable
transport such as UDP).
>From RFC-3261 I am only able to find out the following
Section : 17.2.1 or RFC - 3261 says
"If, while in the "Proceeding" state, the TU passes a 2xx response to
the server transaction, the server transaction MUST pass this
response to the transport layer for transmission. It is not
retransmitted by the server transaction; retransmissions of 2xx
responses are handled by the TU."
So please tell me how many times the TU will retransmits 2xx for which
it has not an ACK.
Thanks &
Regards,
Jitendra
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