Tech
; Ajit Kumar Singh
Subject: Re: [Sip-implementors] REFER received before ACK, What should be done
!!
Karthik,
You desk phone seems to be broken. It should handle REFER or re-INVITE before
ACK. There is no reason in any RFC why UA should generate an error message for
the next INVITE or
Karthik,
You desk phone seems to be broken. It should handle REFER or re-INVITE
before ACK. There is no reason in any RFC why UA should generate an error
message for the next INVITE or REFER request, if it is received before ACK
from the previous transaction. The main purpose of ACK is to stop 20
Hi All,
I have a scenario, where the REFER to an INVITE is received before the ACK.
There is a Desk Phone and a Call server. The call is initiated by the Call
server.
Desk Phone <-- INVITE <-- Call Server
Desk Phone --> 180 Ringing -->Call Server
Desk Phone --> 200 OK/SDP --> Call Server
Desk Ph
