Hi, If you send CANCEL, and still receive 200 OK for the INVITE (the UAS has most likely sent the 200 OK before it received the CANCEL), sending a BYE is a very good thing to do.
Regards, Christer > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of P Raj > Sent: 30. toukokuuta 2007 18:44 > To: [email protected] > Subject: [Sip-implementors] BYE after CANCEL & 200 OK > > Hi > > I just wanted to know, if BYE can be sent after 200 OK for a > Cancel is sent at UAC. > > Please see the below sequence & let me know. > Could you also let me know which section of RFC throws light on this. > > Thanks & Regards > Prashanth > > > Message Sent > < Message Received > > UA1 > > > INVITE > > < 100 Trying > > < 180 Ringing > > > CANCEL > > < 200 OK for CANCEL > > < 200 OK for INVITE > > > ACK > > *> BYE* > > > UA2 > > > INVITE > > < 100 > > < 180 Ringing > > < 200 OK > > > CANCEL > > > ACK for 200 OK INVITE > > > BYE > > < 200 OK > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
