YD/T 1304-2004.Test specification for national No.7 signalling system - Message Transfer Part (MTP) and Telephone User Part (TUP).1范围YD/T 1304规定了在No.7网中对64kbit/s信令...
YD/T 1305-2004.900/1800MHz TDMA Digital cellular mobile telecommunication network technical specification of network management interface for CAMEL2 network.1范围YD/T 1305规定了...
YD/T 1289.2-2003.Synchronous Digital Hierarchy (SDH) transport network management system technical specification part 2:Element Management System (EMS) function.1范围YD/T 1289.2规定...
YDT 1289.3-2003.Synchronous Digital Hierarchy (SDH) transport network management system technical specification part 3:Network M anagement System (NMS) function.1范围YD/T 1289.3规定...
YD/T 1296-2003.Technical specification for public P voice switch.1范圈YD/T 1296规定了公用IP语音交换机设备在功能、业务、接口、性能、信令、网管、计费、...
YD/T 1297-2003.General technical requirements for P telephony media gateway controller.1范围YD/T 1297规定了IP电话媒体网关控制器在基于H.323协议的IP电话网中的位...
YD/T 1299-2004.Technical requirements of SDH network performance - jitter and wander。1范围YD/T 1299规定了在SDH网络节点接口(NNI) 上能够控制的抖动和漂移的参数...
YD/T 1275-2003.Technical specification and testing method for Nx64kbit/s baseband modem.1范围YD/T 1275规定了基带调制解调器的接口电气性能、线路传输性能、安全...
YD/T 1276-2003.Testing methods of SDH multi- service transport platform.1范围YD/T 1276规定了多业务传送节点的测试方法，包括SDH测试、以太网测试、ATM测试、...
YD/T 1279-2003.900/1800MHz TDMA Digital Celler Mobile Telecommunication network management interface technical specification - Interface definition based on CORBA.1范围YD/T 1279规定...
