| 摘要 |
The invention relates to a telephone system which has a private branch exchange (1) comprising at least one switching node, two or more extension outlets (21, 22, 23) for extension terminals (2, 3, 4) and at least one exchange line output (31, 32, 33; 34). Said switching nodes connect the extension outlets (21, 22, 23) to the at least one exchange line output (31, 32, 33; 34), one or more of the exchange line outputs (31, 32, 33; 34) each being connected to a wire telephone network (10) by an exchange line (7) and one or more other exchange line outlets (31, 32) each being connected to a transceiving device (8, 9) by an exchange line (5, 6), in a known manner. Said transceiving device (8, 9) can be connected to a cellular telephone network (41, 42). |
