Re: draft-ietf-sip-info-events-00: Content-Type vs Info-Package [was RE: draft-ietf-sip-info-events-00: multiple packages per INFO]
Paul Kyzivat <[email protected]>
| Newsgroups | gmane.ietf.sip |
|---|---|
| Message-ID | <[email protected]> |
Oops, I just realized I didn't state this the way I meant... Paul Kyzivat wrote: > Christer, > > For SDP, you find the part by looking for the one with > Content-Disposition:session. If there is a part with no C-D header then > one with a C-T of application/sdp defaults to "session". So its all > about C-D. For *offers and answers* you find the part by looking for the one with Content-Disposition:session. If there is a part with no C-D header then one with a C-T of application/sdp defaults to "session". So its all about C-D. (In theory, application/sdp is just one of the C-Ts that might be used to encode offers and answers.) > Paul > > Christer Holmberg wrote: >> Hi, >>> I do think there is something we haven't discussed: how do we figure >>> out what part of the overall body is the part that carries the >>> package? Normally this is no issue, since it is the entire body of >>> the INFO message. But there are cases where it might not be. For >>> instance if S/MIME is used, or if there is some header in the message >>> the needs to reference a body part from a CID URI. >>> >>> The answer to this goes back to Content-Disposition. The body part >>> that contains the info package should have a unique C-D. That can be >>> "render", or we could pick some other one. >> >> I believe the mime rules are something like: >> >> --boundary >> Mime-headers >> Empy-line >> Content (SDP, info packet, etc) >> --boundary-- >> >> >> For SIP, the ruleas are: >> >> SIP-part >> Empty-line >> Message body (SDP, info packet - or one of more mimes). >> >> >> I guess the question is whether we should define some generic syntax for >> the info packages, e.g. Something which identifies the beginning of an >> info package. >> >> For SDP, you find the beginning by looking for the v= parameter. >> >> Regards, >> >> Christer >> > _______________________________________________ Sip mailing list https://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [email protected] for questions on current sip Use [email protected] for new developments on the application of sip