Section: 5.4.4 Clearing initiated by the network
Content: Apart from the exception conditions identified in subclause 5.4.2, the call control entity of the network shall initiate clearing by: sending a DISCONNECT message; and entering the "disconnect indication" state. The DISCONNECT message is a local invitation to clear the call. NOTE: When the network initiates clearing by sending a RELEASE message, the procedures described in subclauses 5.4.3., 5.4.3.4 and 5.4.3.5 are followed. A mobile station that does not support the "Prolonged Clearing Procedure" shall comply with the requirements of subclause 5.4.4.1 and shall ignore subclause 5.4.4.2. A mobile station that supports the "Prolonged Clearing Procedure" shall comply with the requirements of subclauses 5.4.4.2 and shall ignore subclause 5.4.4.1.