上海电信(原上海市话局)1998年建成ＣＤＭＡ19Ｇ无线接入系统,首期建有5个基站,话务设计量690Ｅｒｌ,基本覆盖了上海市内环线以内地区,总容量近万门,首批有2500个固定终端和若干手机。为上海市话全网实现电话用户“即要即装”提供了重要技术装备,为重要应急通信缩短时限,为处置 Shanghai Telecom (formerly Shanghai Bureau) built CDMA19G wireless access system in 1998, the first phase of the construction of five base stations, traffic design 690Erl, basically covering the area within the inner ring of Shanghai, with a total capacity of nearly 10,000, the first batch of 2,500 fixed terminals and several handsets. For the whole network of Shanghai to achieve telephone users, “that is to be equipped with” provides an important technical equipment, shortening the time limit for major emergency communications for the disposal