JT/T 627-2005 Technical requirements of VHF marine data communication system for inland waterway. 1范围 JT/T 627规定了内河甚高频(VHF)船岸数据通信系统的术语和定义、系统组成及网络结构、工作

JT/T 625-2005 Requirements of GPS/GSM&GPRS/GIS/NET technical system for inland shipping business enterprise. 1范围 JT/T 625规定了内河航运企业GPS/CSM&CPRS

YD/T 1772-2008.Test Method for Access Network Equipment-Multi-Service Access Node(MSAN). 1范围 YD/T 1772规定了综合接入系统的业务能力、功能、接口、性能、操作管理维护要求和环境、供电、安全等的测试方法。

YD/T 1605-2007.Protocol Requirements of Peer to Peer Multimedia Messaging Service Interworking between Networks. 1范围 YD/T 1605规定了不同运营商之间点对点多媒体消息业务网间互通

YD/T 1718-2007.Testing Methods for Service and Protocol in Peer to Peer Multimedia Messaging Service Interworking. 1范围 YD/T 1718规定了不同运营商之间点对点多媒体消息业务和协

YD/T 1717-2007.Testing Methods for Interworking Gateway in Peer to Peer Multimedia Messaging Service Interworking. 1范围 YD/T 1717规定了点对点多媒体消息网间互通设备即互联网关

YD/T 1705-2007.Technical Requirements for Access Network - Voice over Digital Subscriber Line System(VoDSL). 1范围 YD/T 1705规定了承载话音的DSL系统的网络结构、协议栈、系统功能要

YD/T 1665-2007.Technical Specification for DSL Network Management Interface. 1范围 YD/T 1665描述了DSL通信网的网络结构和网络管理结构,规定了DSL通信网网络管理中NMS和EMS之间的接口，包括接口位置、功能需求

YD/T 1638-2007.Technical Specification for IPv4 Networks and IPv6 Networks Inter-networking Between Networks. 1范围 YD/T 1638规定了不同运营商的IPv4网络与IPv6 网络进行互联

YD/T 1640-2007.Technical Specification for Softswitch and Digital Trunking Mobile Communication System Inter-working between Networks. 1范围 YD/T 1640主要