RFC 3261 section 19.1.2 disallows escaping hostname. "Note that character escaping is not allowed in the host component of a SIP or SIPS URI (the % character is not valid in its expansion). This is likely to change in the future as requirements for Internationalized Domain Names are finalized. Current implementations MUST NOT attempt to improve robustness by treating received escaped characters in the host component as literally equivalent to their unescaped counterpart. The behavior required to meet the requirements of IDN may be significantly different." > -----Original Message----- > From: sipping-bounces@xxxxxxxx > [mailto:sipping-bounces@xxxxxxxx] On Behalf Of Robert Sparks > Sent: Wednesday, December 10, 2008 12:01 PM > To: Geir Arne Sandbakken > Cc: sipping@xxxxxxxx > Subject: Re: SIP Configuration Framework uses > underscore in SIP URI > > Geir is correct that _ can't appear bare in the hostname part > of a SIP URI. > > It can appear %-escaped. > > Is that what the profile should be using? > > RjS > > On Dec 2, 2008, at 9:32 AM, Geir Arne Sandbakken wrote: > > > The Local-Network profile in the framework requires "_sipuaconfig" > > concatenated with the local network domain to be used as > the host part > > of the Request URI. > > > > Our SIP stack does not view this as valid SIP URI, and rejects the > > message. AFAICC RFC 3261 seems to agree with our parser. > > > > IMHO, using underscores in DNS host for finding services > related names > > in DNS queries is one thing. Changing the grammar of a SIP URI > > potentially breaking parsers is quite another matter. > > > > Geir Arne > > _______________________________________________ > > 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 > _______________________________________________ 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
