电信支撑网一个完整的电话网除了有以传递电话信，包为主的业务网外，还需要有若干个用以保障业务网正常运行，增强网路功能，提高网路服务质量的支撑网路。支撑网中传递相应的监测和控制信号。支撑网包括同步网、公共信道信令网、传输监控网和网路管理网等。同步网在数字... Telecommunication support network In addition to a complete telephone network to transmit telephone messages, packet-based business network, you also need to have a number of business network to ensure the normal operation, enhance network capabilities, improve network service quality support network . Supporting network to pass the appropriate monitoring and control signals. Support network includes synchronous network, public channel signaling network, transmission monitoring network and network management network. Synchronization network in numbers ...