| 摘要 |
PURPOSE:To attain incoming connection and a call after the end of call without redialing at incoming call to a talking subscriber by providing a waiting trunk so as to supervise the end of call of the talking subscriber. CONSTITUTION:A common controller MKR added with a control function by a common processor AXS is controlled and an incoming call is inputted via an incoming trunk ICT during talking of the subscriber SUB connected to the talking trunk TRK by a crossbar automatic exchange C400. Then the line memory corresponding to the subscriber SUB of the device AXS being an idle memory is confirmed via the MKR to connect the incoming call to the corresponding waiting trunk WT, a busy tone is sent to the line and busy display is applied to the line memory. Then while the end of call of the talking subscriber is supervised via the trunk WT, the call is awaited and the call/incoming connection to the incoming call is performed at the end of call without dialing.
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