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广西２００综合智能业务网建设广西区邮电设计院郑灏一、引言“２００”密码记帐长途直拨电话业务，是当今世界各国广泛使用的一种先进通信方式，也是邮电通信部门改善服务，满足用户需求而开设的一项新的增值业务。需要使用２００业务的用户，事前只需向当地电信部门申请...
Guangxi 200 Integrated Intelligent Services Network Design Zheng Hao District Post and Telecommunications Design Institute I. INTRODUCTION “200” password billing long distance direct dial telephone service is widely used in all countries of the world today an advanced means of communication, but also the postal communications sector to improve services to meet the user Demand and set up a new value-added business. Need to use the 200 business users, simply apply to the local telecommunications department beforehand ...