3. Race condition 3.1 Receiving message in the Moratorium State 3.1.1 Receiving Initial INVITE retransmission(Trying state) 3.1.2 Receiving CANCEL(Trying state) 3.1.3 Receiving CANCEL(Trying state) via a stateful proxy 3.1.4 Receiving BYE (Early state) 3.1.5 Receiving re-INVITE (Established state) 3.1.6 Receiving BYE (Established state) 3.2 Receiving message in the Mortal State 3.2.1 Receiving BYE(Established state) 3.2.2 Receiving re-INVITE(Established state) 3.2.3 Receiving REFER(Established state) 3.2.4 Receiving 200OK for re-INVITE(Established state) 3.2.5 Receiving ACK (Moratorium state) 3.3 other race condition |