长途电话网

湖北省长途电话网发展策略

Toll Telephone Network Development Strategy in Hubei Province

传统PSTN网向分组化网络演进是历史的必然，而长途电话网的演进则是首当其冲。

It is inevitable to evolve from PSTN toward ATM / IP dominated packetized network , this evolution will first start with traditional toll network .

传统长途电话网向分组化网络的演进之路&BICC

An Evolution Road from Traditional Toll Network to Packetized Network ── BICC

铁通长途电话网的路由组织

Route Organization for CRC Long Distance Telephone Network

利用省干传输网对铁路接入网实施复用段保护，对长途电话网、互联网骨干网和铁路业务网的保护，提高了各业务网的安全性和可靠性。

Provincial backbone transmission network was utilized to implement railway access network multiple segment protection for long distance telephone network , Internet backbone and railway operation network , enhancing the security and reliability of those networks .

城域网是数据骨干网和长途电话网在城域范围内的延伸和覆盖，承担着集团用户、商用大楼、智能小区等的业务接入和电路出租业务。

Metro network is extensibility and overcast by data backbone network and long - distance telephone network in metro area , it has on its shoulders operation access and telephone-lend operation on group user , business building , intelligent house and so on .

长途电话交换网网管系统的设计与实现

Design and Realization of the Management System for Toll Telephone Network

长途自动电话网全程接通率的估算方法

The Method of Estimating Overall Efficient Connection Rate in Automatic Toll Telephone Networks

探讨了如何在长途电话交换网中应用单纯形算法解决动态路由问题，并介绍了算法运行情况和运行结果。

This paper discusses how to solve dynamic routing problem with simplex algorithm in a long-distance telecommunication switch network . The computed results are shown in the paper .

GB/T7437-1987公用模拟长途电话自动交换网传输性能指标

The transmission performance objectives for public analogue toll telephone automatic switching network

本地、长途和移动电话网间业务收入结算的两种方式（续）

Two Settlement Methods for Service Revenue among Local , Long - Distance and Mobile Telephone Networks ( Continued )