El Miércoles, 10 de Febrero de 2010, Bala Murugan escribió: > Hi, > > > > > > Can a UAC send RE-INVITE , if a response is pending from UAS for > UPDATE refresh Request in early dialog . > > Is this applicable , if yes can you please point me where/which RFC > explains this. > > > > Here is the Call flow , is the below call flow is acceptable , > > > > > > UAC(A) UAS(B) > > -----------------------INVITE----------------------------->> > <<--------------------100Trying-------------------------- > <<---------------------183/SDP------------------------- > ------------------------PRACK-------------------------->> > ------------------------UPDATE------------------------>> > <<------------200 OK (for PRACK)------------------- > <<-----------200 OK (for INVITE)--------------------- > ---------------------------ACK--------------------------->> > -----------re-INVITE without SDP----------------->> > <<------------200 OK (UPDATE)-------------------- > <<------------200 OK (INVITE)------------------------ > ---------------ACK with SDP------------------------>>
I'm not sure that UAC can send neither the ACK if it hasn't received yet the 200 for UPDATE. For sure the re-INVITE before 200 for such UPDATE is not valid. -- Iñaki Baz Castillo <[email protected]> _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
