PURPOSE: To simplify the input procedure of a communication terminal by retrieving and informing the terminal identification information based on the telephone number information of an ordered communication terminal of the remote side.

CONSTITUTION: A communication control part 13 receives the ordering data from a communication terminal user and also receives the communication terminal of the remote side in a wild Tel. No. This Tel. No is informed to a comparison arithmetic part 25, and the part 25 takes the UID data and the telephone number data out a data storage part 19. Then the part 25 compares the UID data and the telephone number data with the informed wild Tel. No to decide whether the coincidence is secured between them or not. If the coincidence is secured, these data are written into a produced operating manual and then sent to the communication terminal requesting the due service.