On Thu, 2009-10-01 at 10:37 +0200, DE CLERCQ Johan wrote: > As we all know, in ISDN you can detect when you go to a voicemailbox of > a cellular line by looking for the PROGRES message as defined in Q.931.
There is no good way to do this in SIP. However, an answering automaton "should" identify itself with the "automata" media feature tag on its Contact header: Contact: <sip:u...@pc.example.com>;automata See RFC 3840. Dale _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
