[国际电信联盟] ITU-T G.173 SPANISH-1993 数字公用陆上移动网内语音业务的传输规划.传输系统和媒体.使用国际电话连接网络的专用线路和连接的传输规划方面(12号研究组)21pp

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标准号:ITU-T G.173 SPANISH-1993
实施状态:现行
中文名称:数字公用陆上移动网内语音业务的传输规划.传输系统和媒体.使用国际电话连接网络的专用线路和连接的传输规划方面(12号研究组)21pp
英文名称:TRANSMISSION PLANNING ASPECTS OF THE SPEECH SERVICE IN DIGITAL PUBLIC LAND MOBILE NETWORKS
发布日期:1993-03-01
标准简介:The purpose of this Recommendation is to describe the special transmission planning aspects of digital public land mobile networks (PLMN). This Recommendation is limited to PLMN implemented with terrestrial-based facilities only. Mobile networks that include satellite links are not covered by this Recommendation, but are under separate consideration. In addition, this Recommendation provides guidelines and advice to Administrations and recognized network operators as to the kind of precautions, measures and minimum requirements which are needed for a successful interworking of digital public land mobile networks with the national and intemational PSTN and ISDN. Transmission planning aspects of analogue public land mobile networks are not covered in this Recommendation.
文件格式:PDF
文件大小:317.25KB
文件页数:22
(以上信息更新时间为:2019-11-27)

ITU-T G.173 SPANISH-1993 数字公用陆上移动网内语音业务的传输规划.传输系统和媒体.使用国际电话连接网络的专用线路和连接的传输规划方面(12号研究组)21pp.pdf (317.25 KB)
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