| 摘要 |
PURPOSE:To know a line holding condition in any wireless telephone equipment by transmitting a holding display signal from a master equipment in a line holding condition. CONSTITUTION:After the transmission of a holding signal, a wireless telephone equipment 2 disconnects a speaking wireless line with master equipment 1, and when the master equipment 1 receives the holding signal, it controls a cable telephone line 3 to the holding condition, then transmits the holding display signal, and wireless telephone equipment 2 and 2' to have received the holding display signal display the holding condition on a holding display means 48. Thereafter, an outgoing switch 31 is operated in order to cancel the holding condition, the wireless telephone equipment 2 transmits an outgoing signal, the master equipment 1 cancels the holding condition of the cable telephone line 3, further transmits a call response signal, and restores the original speaking condition. When a calling operation is executed in the other wireless telephone equipment 2', an original waiting condition is restored when the call response signal is received. Thus, either one of the wireless telephone equipment 2 or 2' can know the line being in holding condition. |
