SESSION CONTROL METHOD AND SATELLITE GROUND STATION

摘要

Embodiments of the present invention disclose a session control method and a satellite ground station. The session control method is applied to the satellite ground station in a satellite communication system. One of a satellite terminal and an IMS is a requesting party, and the other is a requested party. The session control method comprises: receiving a first request message sent by the requesting party, and sending a second request message to the requested party according to the first request message; and receiving a first response message sent by the requested party, and sending second response information to the requesting party according to the first response information. The satellite ground station is connected to the satellite terminal by means of a satellite link, and the satellite ground station and the IMS are connected by means of a ground network and perform communication on the basis of a preset session control protocol.