| 摘要 |
PURPOSE:To attain the communication of this telephone set with a master equipment at an optional location of a premises by providing a means being connectable with other master equipment than a specific master equipment connected thereto by a radio line under a specific condition to the telephone set. CONSTITUTION:An ID memory collation section 1-1 is provided to a master equipment 1 to apply storage/rewrite/erasure of ID information. When information on of a telephone set 28 not belonging to the master set is stored in the collation section, the collation section sends a call OK signal to a control section 1-3 and the call from the telephone set 2B is attained by the similar sequence for the telephone set 2A belonging to the master set at all times. If ID information of the telephone set 2B is not stored before, the collation section 1-1 is not collated and no call is attained. Dialing a number of a master set being at the mobile destination from the telephone set 28, an exchange 3 discriminates it as transfer information, an ID number of the telephone set 2B and the telephone number of the master set 1A of the mobile destination and the master set 18 are stored, an incoming signal is sent to the master set 1A and the ID of the telephone set 2B is stored in the ID collation section of the master set to attain the call of the master set 1A from the telephone set 2B. |
