Section: 5.2.1.1 Call initiation
Content: The "call initiated" state is supervised by timer T303.For normal MO calls, this timer will have already been started after entering the "MM connection pending" state. For network-initiated MO calls this timer will be started in the recall present state as defined in subclause 5.2.3.4 When the call control entity of the mobile station is in the "call initiated" state and if it receives: i) a CALL PROCEEDING message, it shall proceed as described in subclause 5.2.1.3; ii) an ALERTING message, it shall proceed as described in subclause 5.2.1.5; iii) a CONNECT message, it shall proceed as described in subclause 5.2.1.6; iv) a RELEASE COMPLETE message it shall proceed as described in subclause 5.2.1.2. Abnormal case: - If timer T303 elapses in the "call initiated" state before any of the CALL PROCEEDING, ALERTING, CONNECT or RELEASE COMPLETE messages has been received, the clearing procedure described in subclause 5.4 is performed.