Hi, >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.
The C-D header gives you information about the body, yes, but I don't think it helps you to FIND the body. That's what the SIP and MIME ABNFs are for. Regards, Christer > > 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