YD/T 1522.1-2006.Technical Requirments for Session Initiation Protocol Part 1:Basic Session Initiation Protocol. 1范围 YD/T 1522.1规定了会话初始协议的技术要求，包括SIP消息

YD/T 1450-2006.Testing Methods for IPv6 Routing Protocol-Border Gateway Protocol (BGP4). 1范围 YD/T 1450规定了基于IPv6 的边界网关协议(BGP4+)的一致性测试方法，包括连接建立功能测试、UPDA

YD/T 1450-2006.Testing Methods for IPv6 Routing Protocol-Border Gateway Protocol (BGP4). 1范围 YD/T 1450规定了基于IPv6 的边界网关协议(BGP4+)的一致性测试方法，包括连接建立功能测试、UPDA

YD/T 1449.1-2006.Equipment Technical Requirements for Broadband Customer Network Based on Telecommunication Network Part 1: Gateway. 1范围 YD/T 1449.1规定

YD/T 1059-2004.Mobile communication system base station antennas. 1范围 YD/T 1059规定了移动通信系统基站天线的术语定义、分类、电性能、机械特性、环境条件、测量方法、检验规则以及标志、包装、运输和贮存。 YD/T 1059适用

YD/T 1251.2-2003.The conformance testing specification for Open Shortest Path First (OSPF). 1范围 YD/T 1251.2规定了支持IPv4的第二版开放最短路径优先协议(OSPFv2) 协议-致性测试方法，包

YD/T 1371.5-2006.Technical requirements for Uu Interface of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network Physical Layer Technical Speci

YD/T 1371.5-2006.Technical requirements for Uu Interface of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network Physical Layer Technical Speci

YD/T 1371.6-2006.Technical requirements for Uu Interface of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network Physical Layer Technical Speci

YD/T 1372.1-2006.Technical requirements for Uu Interface of 2GHz TD-SCDMAdigital cellular  mobile communication network layer 2 technical specifi