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Re: [Sip] abnormal situation after connect
Munira Sharmin wrote:
Caller and callee SIP endpoints session starts (i.e. 200 Ok for the
INVITE and ACK exchange happens). If for some abnormal situation, say
in one of the proxy in between, session has to get torn down, then it
looks like currently, only BYE is sent with no indication as to whether
this is a normal release or some abnormal release. So other proxies in
the path or the endpoints will have no idea why the call dropped.
How about inclusion of an optional reason header in the BYE message for
such a case, or can the SIP gurus gaurantee that such a situation will
NEVER occur (well, I have seen that happen once in a rare while) ?
Take a look at the SIP Reason Header I-D
http://www.ietf.org/internet-drafts/draft-ietf-sip-reason-01.txt.
It does what you want.
Regards,
- vijay
--
Vijay K. Gurbani vkg@{lucent.com,research.bell-labs.com,acm.org}
Wireless Networks Group/Internet Software and Services
Lucent Technologies/Bell Labs Innovations, 2000 Lucent Lane, Rm 6G-440
Naperville, Illinois 60566 Voice: +1 630 224 0216
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