On 6/28/2011 6:46 PM, Nauman Sulaiman wrote: > Hi, > > After OA is complete is it possible for UAS to send more 18x responses (with > no offer or answer of course).
YES. > UAC UAS > |----INVITE------>| > | | > |<----1xx (o)-----| - provisional responses with REQUIRE 100rel > | | > |-----PRACK(a)--->| - send PRACK with answer > |<---- 2xx--------| | > | | > | | > |<----18x --------| - is this 18x allowed even though OA complete? > | | > |-----PRACK------>| > |<----2xx---------| > > 200OK > <----------------- > ------------------> > ACK > > _______________________________________________ > 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