呼叫接受的信号被叫设备发出的控制信号，表明正在接收入局呼叫。

Call Accepted signal a control signal transmitted by the called equipment to indicate that it accepts an incoming call.

youdao

呼叫接受的信号被叫设备发出的控制信号，表明正在接收入局呼叫。

Call Accepted signal a control signal transmitted by the called equipment to indicate that it accepts an incoming call.

youdao