Hi Experts, Can you please help to share required information to me, thanks in advance
On Fri, 8 Mar 2019, 12:58 pm Arun Tagare, <arun.taga...@gmail.com> wrote: > Hi Team, > > I have a doubt on client/UE behaviour on the below scenario. > Can any please help me share any spec. on what UE behaviour based on the > below scenario. > > 1. MO voice call to User-B > 2. 183/180 received from User-B > 3. 181 Call Forwarding received from network > 4. 183 received from User-C with "PEM header as sendonly" & SDP > "a=curr:qos remote none" > 5. MO send UPDATE for QOS updation to Network/User-C > 6. Network send 200 OK with "audio port as 0" <<<< What should be UE > behaviour here > i. Should MO send CANCLE to end the call ? <<<<< Please share any spec. > reference if this is expected from UE > ii. What issue if call does gets continued ? > 7. Here network again sending 183 with "valid Audio" port to UE <<<< As > per RFC#3264 UE should honor latest SDP received from network > 8. MO sent UPDATE and received 200 OK with "valid Audio port" > 9. MO received 180 Ringing followed by INIVTE/200 OK/ ACK <<<< Call got > connected here > > 10. Immediately MO sent BYE to network/User-C > > > Questions: > 1. Does MO should send CANCLE for 200 OK with audio port 0, ? > 2. What is the spec deviation if call gets continued ? > 3. If 1 is yes, what should be MO behaviour if received valid audio port > again from network before call connected ? > > Thanks for all of your responses, in advance > > -- > > With Regards > > Arun A. Tagare > +91 9449 029729 > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors