| 摘要 |
PURPOSE:To attain the reply by the same operation by allowing a pocket bell master set of all private branch exchanges to send a call radio wave to a pocket bell from an extension terminal equipment of an optional private branch exchange. CONSTITUTION:An extension terminal equipment 105a of an optional private branch exchange 100a lets pocket bell master sets 107a, 107b of all private branch exchanges 100a, 100b to send a calling radio wave to pocket bells. That is, the pocket bell master sets 107a, 107b are connected respectively to plural private branch exchanges 100a, 100b interconnected by a private line 110 to form a private branch exchange network and a pocket bell is called from extension terminal equipments 105a, 105b accommodated in the private branch exchanges 100a, 100b. Thus, all the pocket bell master sets 107a, 107b in the network are started from any of the extension terminal equipments 105a, 105b in the private branch exchange network by the same dialing method and any of the extension terminal equipments 105a, 105b in the network is replied by the same operation.
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