If the far-end UA has set its Contact URI to have "+sip.rendering=no", I think that can be safely taken as "the far-end has put us on hold". Other than that, if all the media streams are on "sendonly" or "inactive", you could consider the call to be on hold.
Dale _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
