| 摘要 |
PURPOSE:To secure a speech path between a mobile radio terminal and an ISDN network even when traffic is concentrated in one channel controller without increasing the number of channels. CONSTITUTION:This radio telephone system is constituted of the channel controllers 23a-23c connected to the ISDN network by digital channels and plural mobile terminals 21a-21x capable of originating calls and performing communication by using a radio channel selected and specified from the plural radio channels through radio base stations 22a-22i connected by twisted pair transmission lines 26a-26i with the channel controllers. In this radio telephone system, the channel controllers 23a-23c are provided with communication interfaces 27a-27c for enabling the communication with the plural channel controllers and the digital channel to be a connection control object is mutually shared among the plural channel controllers corresponding to traffic fluctuation. |
