> -----Original Message----- > From: Brett Tate [mailto:[EMAIL PROTECTED] > Sent: Wednesday, August 11, 2004 7:30 PM > To: 'Shekar, Nagesh Soma (Shekar)** CTR **'; > [EMAIL PROTECTED] > Subject: RE: [Sip-implementors] Question about ACK for 200 OK > > > > I did try to include the Contact Header > > information, but the phone still sends > > an Ack to proxy, without sending it to > > the address indicated in the > > Contact Header of 200 OK. > > If the proxy added a Record-Route entry, > that would be where the phone would send > the ACK. The proxy should then route > the ACK to the next entry in the ACK's > Route header. > > One additional note, some devices always > or configurably send subsequent requests > within a dialog to their outbound proxies > without requiring the proxy to add a > record-route entry. If I recall correctly, > this is not per standard. However it is > potentially better than not sending the ACK > if device is configured to only communicate > directly with its outbound proxy. > > Brett,
The ACK sent by the pingtel phone DID work when I configured the phone to not go through the outbound proxy. The UAS did receive the ACK. It appears that the outbound proxy which I was using did not have the ability to forward the ACK to UAS based on the Request-URI. Thanks much for your help ! Shekar. _______________________________________________ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
