On Mon, 2009-03-23 at 15:10 +0100, DRAGE, Keith (Keith) wrote: > In my working copy I have added this to the string in front of the urn > definition itself, rather than in 4.1. and 4.2. > > Service-ID = "urn:urn-7:" urn-service-id > urn-service-id = top-level *("." sub-service-id) > top-level = let-dig [ *26let-dig ] > sub-service-id = let-dig [ *let-dig ] > let-dig = ALPHA / DIGIT / "-" Maybe I've missed some discussion, but I don't quite understand the second component proposed for the URNs. In -02, it is shown as "urn-xxx" (with the initial scheme "urn" omitted, which you have since fixed). In your message that I am replying to, it is shown as "urn-7", which seems to be part of a series "urn-N" for defining URNs for local use. But given that 3GPP is interested in this, don't they already have a URN namespace selected? Dale _______________________________________________ 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