| 摘要 |
PROBLEM TO BE SOLVED: To provide a call number managing method in a key telephone system, capable of easily executing management and transfer by managing call numbers, each independently added at a line wire side and an extension side. SOLUTION: In a method for managing a call number in a key telephone system, equipped with a main device connected to an ISDN line wire and housed with plural ISDN terminals in its extensions, at communicating between the line wire and terminals, a call number for managing communication processing between the main device and the terminals is newly set, independently of a call number for managing communication processing between the line wire and the main device, and the main device controls the communication between the line wire and the terminals by making the both call numbers correspond to each other. At communicating between the terminals, a call number for managing communication processing between the main device and the reception side terminal is newly set, independently of the call number for managing communication processing between the transmission side terminal and the main device, and the main device controls the communication between the terminals by making the both call numbers correspond to each other. |
