Patent ID: 7715549

Claim:
A communication system having a communication network including a base station and a terminal equipment operated by a user, where the base station transmits a caller information of another communication terminal to the terminal equipment and the terminal equipment informs of arrival of a call by reading and performing a calling melody corresponding to said caller information of the communication terminal received in arrival of a call, the system comprising: a storage part arranged in the network side for memorizing telephone book data by operating of the terminal equipment; a specified information reception means arranged in the network side for receiving specified information from the terminal equipment for a melody which should be performed in a call from the communication terminal; a selection means arranged in the network side for selecting the melody to read and perform based on said caller information of the communication terminal and said specified information from the terminal equipment; a performance means arranged in the network side for performing the melody selected by said selection means, wherein said selection means does not select the melody corresponding to said specified information when a telephone number corresponding to said caller information of the communication terminal is not registered in said storage part in case said specified information is received.