PS-LTE LTE PTT PTT SYSTEM FOR PROVIDING PTT ASSOCIATING SERVICES BETWEEON PS-LTE NETWORK AND LEGACY LTE NETWORK

摘要

The present invention is a system for providing a PTT interworking service providing a PTT interworking service between a PS-LTE network and a commercial LTE network. The present invention relates to a PS-LTE PTT server and a PTT interworking service included in a PS-LTE network in combination with a PS-LTE network. A gateway server that transmits and receives a control signal and a media signal, and is connected to a commercial LTE PTT server and a commercial LTE terminal of a commercial LTE network, and transmits and receives a control signal and a media signal for a PTT interworking service; And a management server for managing the PS-LTE interworking PTT number assigned to the commercial LTE terminal between the PS-LTE network and the commercial LTE network, wherein the gateway server is assigned a PS corresponding to the telephone number of the commercial LTE terminal. PTT interworking service, characterized in that to provide a PTT interworking service between the commercial LTE terminal and the PS-LTE terminal by transmitting and receiving control signals and media signals between the commercial LTE terminal and the PS-LTE network based on the LTE interworking PTT number Provide a provision system.