Hi Paul, Example SIP URI given by Iñaki Baz, does not contain the ;user=phone parameter. Should we assume that the userinfo part of the below SIP URI is a telephone-subscriber number or not? -----------------
sip:12345678;phone-context=mydomain....@provider.com ----------------- Thanks, Prashanth M E Paul Kyzivat wrote: > The form of the user part is really the responsibility of the owner of > the domain. user=phone is really only meaningful if the domain owner > allows/supports that. In absence of user=phone, the domain may *choose* > to treat the user part according to tel uri syntax, or not. > > *if* user=phone is present, and *if* the domain supports use of > user=phone, then a user part that doesn't start with "+" must be a local > number in accord with telephone-subscriber, as Iñaki says below. > > Paul > > Iñaki Baz Castillo wrote: > >> El Viernes 05 Marzo 2010, hanifa.mohammed escribió: >> >>> Thanks for the response. Pl clarify my assumption. >>> >>> 1. So, when there is no "user=phone" parameter in the SIP uri, there is no >>> context of Local or Global. >>> Or is there any other way to figure out whether a SIP uri is global or >>> local? >>> 2. Simply the presence of '+' in the userinfo part of the SIP uri is not >>> suffice enough to declare it as >>> a global SIP uri. >>> >> If ;user=phone is present you can assume that the SIP URI userinfo is a >> telephone-subscriber number, following same rules (if it begins with "+" >> then >> it's absolute). In order to be local it would be like: >> >> sip:12345678;phone-context=mydomain....@provider.com >> >> >> > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors