System and method for providing group communication services

For providing group communication service the system and method. Each of the plurality of communication apparatus for converting is suitable for intelligent signal in packet data to the data network (for of Internet) is a. Data packet is transmitted through the data network to the communication manager. The communication managing and a conducting switch, is from the communication according any communication device method of routing transmission at most communication device. The communication manager is further a user participation group communication of the communication system and device.