> I prefer to just ask two simple questions: > > a) Is this feature implemented and used by some *real* SIP device?
Yes. > b) Is this feature useful? Concerning simultaneous ringing, it allows caller to release parties it doesn't want to answer. It also allows UAC/B2BUA to release individual forked branches toward called party when sending CANCEL is not appropriate. _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
