� 404 can be returned by the server if user is not found or it can be returned by the proxy if the domain in the request is not in the list of domains it can handle.
On Mon, 26 Apr 2004 Pang Xiaogang-r63373 wrote : >Hi King, > >In my opinion, > >404: user not found in the domain >480: user is found in the domain, but not logged in (Proxy replies) > or user is not available to accept the call by now, but you can try later. > (Client replies) > >Correct me if not. > >Regards >Pang Xiaogang > > >-----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of King Yu >Sent: Monday, April 26, 2004 2:07 PM >To: [EMAIL PROTECTED] >Subject: [Sip-implementors] 404 versus 480 > > >The last two paragraphs in RFC 3261 section 16.5 says: > >"If the Request-URI indicates a resource at this proxy that does not >exist, the proxy MUST return a 404 (Not Found) response. >If the target set remains empty after applying all of the above, the >proxy MUST return an error response, >which SHOULD be the 480 (Temporarily Unavailable) response." > >My interpretation of this is that if the domain of the Request-URI >indicates a domain this proxy is responsible for, but lookup (but >location service, and other local policies) failed, then we return 404. > >My question is, when would we ever encounter a case where we should >return 480? If the domain of the Request-URI is external (this proxy is >NOT responsible for), we would have forwarded the request to that >external domain immediately (section 16.5 paragraph 3). > >Thanks. > > >King > >_______________________________________________ >Sip-implementors mailing list >[EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors >_______________________________________________ >Sip-implementors mailing list >[EMAIL PROTECTED] >http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
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