METHOD AND SYSTEM FOR SENDING LARGE MESSAGE MODE CONVERGED IP MESSAGING MESSAGE TO GROUP

摘要

The present invention provides a method and a system for sending a large message mode converged IP messaging (CPM) message. The method is used for sending a large message mode CPM message to a target group; a sender CPM client sends a session invitation message of the large message mode CPM message; after receiving the session invitation message, a CPM Controlling function entity sends the session invitation message to each receiver address in the target group; a receiver CPM client receives the session invitation message and carries out a media negotiation with the controlling function entity; the controlling function entity carries out a media negotiation with the sender CPM client to determine a media transmission link between the sender CPM client and the receiver CPM client; and the sender CPM client sends the content of the large message mode CPM message to the receiver CPM client via the media transmission link. According to the technical solutions provided in the present invention, the large message mode CPM message can be sent to the target group.