YD/T 1534-2006.Information Security Technical Requirements and Testing Methods for SPC Exchange. 1范围 YD/T 1534规定了固定网数字程控交换机在其信息的生成、处理、传输、存储生命周期中所应具有的安

YD/T 1534-2006.Information Security Technical Requirements and Testing Methods for SPC Exchange. 1范围 YD/T 1534规定了固定网数字程控交换机在其信息的生成、处理、传输、存储生命周期中所应具有的安

YD/T 1534-2006.Information Security Technical Requirements and Testing Methods for SPC Exchange. 1范围 YD/T 1534规定了固定网数字程控交换机在其信息的生成、处理、传输、存储生命周期中所应具有的安

YD/T 1526.1-2006.Technical specifications of single fiber Bi-Directional Triplexer optical Transceiver for access network Part 1:single filber Bi-Dire

YD/T 1522.3-2006.Technical Requirments for Session Initiation Protocol Part 3:Interworking between ISUP and SIP. 1范围 YD/T 1522.3规定了ISDN用户部分协议(ISUP)和会话

YD/T 1522.3-2006.Technical Requirments for Session Initiation Protocol Part 3:Interworking between ISUP and SIP. 1范围 YD/T 1522.3规定了ISDN用户部分协议(ISUP)和会话

YD/T 1372.2-2006.Technical requirements for Uu Interface of 2GHz TD-SCDMA digital cellular mobile communication network layer 2 technical specificatio

YDT 1588.1-2006. 1范围 YD/T 1588的YDT 1588.1规定了工程中光缆链路衰减的测量方法、测量系统、测量程序和结果。 YDT 1588.1适用于二氧化硅系单模光纤和多模光纤的光缆链路衰减测量。其它光纤的光缆链路衰减测量也可参照使用。 2规范性引用文件 下列文件中的条款通过

YD/T 1522.2-2006.Technical Requirements for Session Initiation Protocol Part 2:Applications about call control based on SIP. 1范围 YD/T 1522.2规定了会话初始协议(

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