YD/T 1137-2001 帧中继设备技术要求及检验方法
YD/T 1137-2001.Technical requirements and test methods for frame relay device.1范...
行业标准2023.08.02
YD/T 1137-2001.Technical requirements and test methods for frame relay device.1范...
行业标准2023.08.02
YD/T 1136-2001.Technical requirements and testing methods of basic access termin...
行业标准2023.08.02
YD/T 1135-2001.Technical Specification and Testing Method of Node Processor in D...
行业标准2023.08.02
YD/T 1148-2001.Technical Requirements of Network Access Server (NAS)-Broadband N...
行业标准2023.08.02
YD/T 1145-2001.Network Management Interface Testing Method Specification.1范围YD/T...
行业标准2023.08.02
YD/T 1144-2001.Technical Specification of the Signaling Transfer Point in Nation...
行业标准2023.08.02
YD/T 1142-2005.Technical requirements and testing methods for IP telephony gatek...
行业标准2023.08.02
YD/T 1142-2001.Technical Requirements and Testing Method for IP Telephony Cateke...
行业标准2023.08.02
YD/T 1157.2-2003.The requirements for sending calling party number between netwo...
行业标准2023.08.02
YD/T 1157.3-2005.The requirements for sending calling party number between netwo...
行业标准2023.08.02