双局号平稳过渡升位技术

Dual Office Code and Transient-free Technology for Telephone Numbering Innovation

介绍了本地电话网电话号码升位的有关概念、一般的升位方法和天津市邮电管理局首创的“双局号平稳过渡升位”技术的主要内容、优点、关键课题及其应用的范围等等。

The concept of telephone numbering innovation in local telephone network, general telephone numbering innovation method is introduced in the article. The main contents, advantages and key problems of dual office code transient- free technology for telephone numbering innovation created by Tianjin Post &Telecommunication Administration are also described.