| 摘要 |
PURPOSE:To eliminate the need for the storage of all identification codes to be connected and to facilitate the increase/decrease of number of portable equipments or stationary equipments or other change by confirming the connection possibility between a portable equipment and a stationary equipment by means of a common identification code. CONSTITUTION:Plural stationary equipments 14a-14c are provided with plural portable equipments 15a-15c connected via a radio line, telephone lines 11a-11c and a line controller 12 controlling the connection with a portable equipment corresponding to the telephone line. Furthermore, an allocation means allocating the stationary equipments 14a-14c connecting to a portable equipment in a radio wave variably in response to the movement of the portable equipment is provided to the line controller 12, the stationary equipments 14a-14c and the portable equipments 15a-15c. The allocation means transmits/receives a common identification code between the stationary equipment and the portable equipment to confirm the possibility of the radio connection. Thus, it is not required to store all the identification codes for the stationary equipment or the portable equipment able to be connected, the control of collation is facilitated and the increase/decrease in the number of portable equipments and the stationary equipments is facilitated. |
