专用交换机 meaning in English
pbx
px private exchange
Examples
- Pbx private branch exchange remote call control
Pbx专用交换机远程呼叫控制rcc - Centrex centralized extension system
集中式用户专用交换机 - Wireless private branch exchanger wpbx
无线专用交换机 - Wireless private branch exchanger
无线专用交换机