Re: INVITE 200 OK - TCP retransmission
"Rockson Li (zhengyli)" <[email protected]>
| Newsgroups | gmane.ietf.sip |
|---|---|
| Message-ID | <F86B91A10B14744E88408E80B8A30EF30387F87D@xmb-hkg-412.apac.cisco.com> |
check RFC3261 sec 13.3.1.4
Since 2xx is retransmitted end-to-end, there may be hops between
UAS and UAC that are UDP. To ensure reliable delivery across
these hops, the response is retransmitted periodically even if the
transport at the UAS is reliable.
-Rockson
________________________________
From: [email protected] [mailto:[email protected]] On Behalf Of
Thomas george
Sent: Tuesday, September 16, 2008 10:17 AM
To: [email protected]
Subject: [Sip] INVITE 200 OK - TCP retransmission
Hi,
Why the 200 OK to INVITE is retransmitted even if we are using TCP?
rgds,
Thomas
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