I agree, technically, a Refer-To can contain a tel URI however the equipment receiving the Refer-To might not be able to use it.
It might be safer to use a SIP uri with user=phone. See RFC 3261 section "19.1.6 Relating SIP URIs and tel URLs". Regards, Attila -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Iñaki Baz Castillo Sent: 31 March 2008 11:01 To: [email protected] Subject: Re: [Sip-implementors] Can a Refer-To header contain Tel URI. El Monday 31 March 2008 12:00:27 Jitendra Singh Bhadoriya escribió: > Hi, > > > > Can a Refer-To header contain a tel URI. Sure: http://www.tech-invite.com/Ti-sip-abnf-hf.html#Refer-To Refer-To = ( "Refer-To" / "r" ) HCOLON ( name-addr / addr-spec ) *(SEMI refer-param) name-addr = [ display-name ] LAQUOT addr-spec RAQUOT addr-spec = SIP-URI / SIPS-URI / absoluteURI absoluteURI = scheme ":" ( hier-part / opaque-part ) scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." ) ;) -- Iñaki Baz Castillo [EMAIL PROTECTED] _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
