一、网间接口局建设的重要性 １． 网间接口局是促进各电信运营商正常、快速发展的基础 为了能在竞争中立足和发展，各电信运营商都在结合自身的优势努力建设自己的电信网络，如中国移动通信公司的ＧＳＭ网络、中国联通公司的移动和固定电话网络、吉通与网通公司的ＩＰ电话网络 First, the importance of the establishment of the gateway interface 1. Inter-Gateway is to promote the normal and rapid development of all telecom operators in order to be able to compete in the foothold and development, all telecom operators are combining their own efforts to build their own telecom networks, such as China Mobile’s GSM network, China Unicom’s mobile and fixed-line telephone network, Jitong and Netcom’s IP telephony network