Session management method and network equipment

The embodiment of the invention relates to the communication field. The invention provides a session management method and a network device thereof. The method comprises: a network side receives release information of a non-master control terminal; the network side sends a first announce message to a master control terminal, the first announce message carries the mark of the non-master control terminal, so as to lead the master control terminal to release the non-master control terminal according to the mark thereof. When the non-master control terminal releases the call, the master control terminal can be informed by the message and can releases the non-master control terminal according to the mark of the non-master control terminal which is carried in the announce message, thus being convenient for the master control terminal to maintain normal call status.