3.2.5.3.4 Receiving an SSTP_MSG_CALL_ABORT Message
If CurrentState is set to Call_Abort_Pending:
Stop the TIMER_VAL_ABORT_STATE_TIMER_1 timer (section 3.1.2.1).
Start the TIMER_VAL_ABORT_STATE_TIMER_2 (section 3.1.2.1).
Change CurrentState to Call_Abort_Timeout_Pending.
Else if CurrentState is set to Call_Abort_Timeout_Pending, Call_Disconnect_Timeout_Pending, or Call_Abort_In_Progress_2:
Ignore the message.
Else:
Change CurrentState to Call_Abort_In_Progress_2.
Send an SSTP_MSG_CALL_ABORT (section 2.2.13) message.
Start the TIMER_VAL_ABORT_STATE_TIMER_2 timer (section 3.1.2.1).
Change CurrentState to Call_Abort_Timeout_Pending.