Method, computer program product and communication device for adding a user to a group call in a group communication network

An and device of user is added group communication network calling method stipulated: A hoping to a user of the group calling to receive an indicating, and; each group calling in bearing is arranged on the user is added to the set of call to a server for request. A method and a device further stipulates: From the key group calling is communicating with said server to receiving a response, report to with a user a adding group call, and back of the telephone flow channel is reconstructed a server and media. A method and a device further stipulates: The uniform and a mobile station network and when there is no telephone flow channel with the alternating group calling signal, wherein a practice and network awaken the time and waiting time significantly reducing.