彼得对这对讲机说话。帕特西听到了彼得的声音，她按了一下呼叫按钮。

Peter spoke into his radio. Patsy heard Peter's voice. She pressed the CALL button on her radio.

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高层中的电梯内设对讲话机，设置紧急呼叫按钮和门磁控制开关，安装挂墙明装红外幕帘探测器；

In the high-level elevator supposes to speaks the telephone, the establishment emergency call button, the installment pyroscan;

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客户来访，按CALL按钮，您可以使用对讲电话给客户开门。

Once visitor comes and push the call button, you can open the door inside using videophone or interphone.

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客户来访，按CALL按钮，您可以使用对讲电话给客户开门。

Once visitor comes and push the call button, you can open the door inside using videophone or interphone.

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