| 摘要 |
There is provided a private branch exchange (PBX) system for interworking a digital telephone with a computer such as a personal computer (PC). In the private branch exchange system, a switch has a subscriber interface, a computer telephony interface module (CTIM) is connected to the subscriber interface of the switch, the digital telephone is connected to the switch through the computer telephony interface module, and the computer is connected to the switch through the computer telephony interface module and interworks with the digital telephone. The computer telephony interface module sends a computer-directed message generated from the switch to the computer and sends both the switch and the computer a call origination event message received from the digital telephone.
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