| 摘要 |
PURPOSE:To avoid trouble of redialing by the user of a radio telephone system slave set while taking a proper time into account when all public lines connected to the radio telephone system master set are busy. CONSTITUTION:In the radio telephone system comprising the radio telephone set master set 15 connecting to plural public lines and plural radio telephone system slave sets 11a-11c able to make radio communication with the radio telephone set master set 15, when other new slave set cannot make dialing because the public lines able to be connected to the radio telephone system master set 15 are all busy, the master set registers a recognition number of the slave set to a wait table 12. The occurrence of an idle line is informed to the user by sending a signal to the slave set of the recognition number to be registered as soon as the pubic line is idle. |
