| 摘要 |
PURPOSE:To prevent communication from being interrupted in case of changeover of a radio zone area by applying multiple connection between a new communication line and a line during communication in a mobile communication exchange. CONSTITUTION:When a mobile equipment l moves to a radio zone 13 while being busy with a stationary telephone set 6 via a radio base station 2 and a mobile communication exchange 4, a mobile communication exchange 5 decides the communication line 10 to a radio base station 3 and informs an idle radio line 9 to a mobile communication exchange 4. In receiving the decision of the line 9, the exchange 4 connects a multiple connector 16 and radio lines 14, 8, 11. The signal from the stationary telephone set 6 is distributed to the communication lines 8, 11 and the signal from the lines 8, 10 is added to the telephone set 6 and sent to a communication line 14. Thus, the intermission of communication at changeover of the radio zone area is prevented.
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