20 Apr
2016
20 Apr
'16
4:04 a.m.
A KA B INVITE -> 200 OK(INVITE) <- ACK is lost BYE <- 200 OK(BYE) -> 200 OK(INVITE) <- 200 OK(INVITE) <- 200 OK(INVITE) <-
ACK is lost AND A sent BYE cmd,B do not recv ACK and is also Retransmission 200 OK, How can I distinguish this 200 OK and drop it?
thaks