I was using that as an example, and I think you have missed my question. Let me rephrase in more general terms. If a define MIME type that is appropriate for use in an info package, and negotiate the use of that package in a particular dialog: - can I use bodies of that MIME type in other messages in the same dialog? - is that usage entirely and absolutely independent of the info package use? Regards Keith > -----Original Message----- > From: sipping-bounces@xxxxxxxx > [mailto:sipping-bounces@xxxxxxxx] On Behalf Of Paul Kyzivat > Sent: Friday, October 24, 2008 2:56 PM > To: DRAGE, Keith (Keith) > Cc: sipping@xxxxxxxx > Subject: Re: INFO usage: relationship of package > bodies to those of other requests > > > > DRAGE, Keith (Keith) wrote: > > I believe that ISUP interworking as defined in ITU-T > Q.1912.5 can put > > an ISUP body in INVITE requests as well as INFO requests. If we now > > came to define a package for that usage, what is the relationship > > between the package negotiation and any bodies transmitted > in requests > > other than INFO? > > > > Is it none, i.e. they just happen to share the same MIME type, and > > this is allowed? > > The current usage is grandfathered. > > If there is new work to update the specs for ISUP > interworking to use this new info package mechanism, then it > will have to conform to the info package spec for the parts > of the usage that utilize INFO. The same revision will have > to deal with any revisions that it deems necessary to the > conveyance of ISUP info in INVITE requests and responses. I > don't think we can concern ourselves with that here. > > But at least the ISUP work was careful to define a Content-Disposition > ("signal") for use with their ISUP bodies, so further work > may not be needed. > > Thanks, > Paul > _______________________________________________ > Sipping mailing list https://www.ietf.org/mailman/listinfo/sipping > This list is for NEW development of the application of SIP > Use sip-implementors@xxxxxxxxxxxxxxx for questions on current > sip Use sip@xxxxxxxx for new developments of core SIP > _______________________________________________ Sipping mailing list https://www.ietf.org/mailman/listinfo/sipping This list is for NEW development of the application of SIP Use sip-implementors@xxxxxxxxxxxxxxx for questions on current sip Use sip@xxxxxxxx for new developments of core SIP