Patent ID: 7423774

Claim:
A communication system comprising; a communication terminal having a function of specifying an addressee from addressee identification information to communicate with the specified addressee; a computer transmitting addressee identification information to the communication terminal; a computer-side store unit provided at a computer side that stores the addressee identification information; a computer-side fetching unit provided at the computer side that fetches the addressee identification information from the computer-side store unit; a computer-side output unit that outputs the fetched addressee identification information to the communication terminal in case of communication so that the communication is executed according to a piece of addressee identification information selected from the fetched addressee identification information; a retrieval information input unit provided in the communication terminal and operated by an operator for input of retrieval information relating the addressee identification information; an instruction unit provided in the communication terminal so as to instruct the computer at the communication terminal side to retrieve via the computer-side fetching unit the addressee identification information stored in the computer-side store unit, the instruction unit instructing the computer to fetch the addressee identification information based on the retrieval information supplied by an operator; and a terminal side display that displays the addressee identification information outputted by the computer-side output unit so that the piece of addressee identification information is selected at the communication terminal side.