ITU-T的翻译

Public Key Infrastructure ( PKI) based on the ITU-T X. 509 standard has become an indispensable security supporting system and technical specification for network application such as e-business and e-government in the past few years.

基于国际电信联盟ITU X.509证书标准的公钥基础设施（Public Key Infrastructure，简称PKI）在过去几年里已成为电子商务、电子政务等网络应用中不可缺少的安全支撑系统和技术规范。

TMN is not only the standard of telecommunication network management put forward by ITU-T, but also a whole solution to get the goal of telecommunication network management.

TMN是国际电信联盟（ITU-T）制定的电信网络管理标准，是为实现电信网络管理目标提供的一套整体解决方案。

ITU-T Recommendation H. 323 has become the main video conference standard and technology over IP network, and the video communication is the main part of video conference system.

ITU&T（国际电信联盟）H.323标准目前已成为基于IP网络视频会议系统的主流标准和技术，而视频通信是视频会议系统的主要组成部分。