上海电话网日趋尖端上海电话通信规模在不断扩大的同时，网络的技术装备水平、通信服务质量也得到提高。在此基础上，除传统的话音业务外，各种电信新业务正逐渐通过电话网向社会开放。上海市区及浦东新区现共有电话局（站）１２０多座，交换机总容量超过３００万门，实装... Shanghai’s telephone network is becoming increasingly sophisticated Shanghai’s telephone communications are expanding at the same time, the level of network technology and equipment, communication service quality has also been improved. On this basis, in addition to the traditional voice services, various new telecommunication services are gradually being opened to the public via the telephone network. Shanghai and Pudong New Area is now a total of more than 120 telephone stations (stations), the total switch capacity of more than 300 million, real equipment ...