TELEPHONE SLAVE SET, AND TELEPHONE SYSTEM

PROBLEM TO BE SOLVED: To provide a telephone slave set and a telephone system, enabling to easily additionally install communication equipment at optional positions. SOLUTION: The telephone slave set 10 connected by wireless to a telephone master set 8 is provided with: a radio communication means for performing radio communications between the telephone slave set and the telephone master set 8; a connection means for connecting a digital TV 30 as a communication apparatus other than the telephone master set 8 and the telephone slave set 10 by wire to the telephone slave set 10; and a communication control means for enabling mutual communication via a radio communication means between the digital TV 30 and the telephone master set 8 which are connected via the connection means. COPYRIGHT: (C)2010,JPO&INPIT