Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

Title Standard No. Implemented On
Technical Requirements for Adaptation Layer of ISDN Signalling Interworking with IPYD/T 1472-20062006-10-1
Technical Requirements of V5.2 User Adaptation LayerYD/T 1473-20062006-10-1
Technical requirements for metropolitan optical transport network WDM ringYD/T 1205-20022002-6-21
Network-based IP VPNYD/T 1190-20022002-4-22
Technology requirement and test method of stand alone synchronization equipment in digital synchronization networkYD/T 1011-19991999-7-1
Node clock set of digital synchronization network and its timing featureYD/T 1012-19991999-7-1
Regulations for Establishment of Communications Between Audiovisual Terminals With 3 Or More Digital Channels At Below 1930kbit/SYD/T 985-19981999-5-1
Network capabilities to support broadband multimedia retrieval servicesYD/T 977-19981999-3-1
Digital Cross-connect Equipment Engineering Designing Standard for Local Telephone NetworkYD 5075-19981999-2-1
Interim Provisions ofr Design of Public FR Broedband Network EngineeringYD 5064-19981998-10-1
Management Functions of Telecommunication Management Network (TMN)YD/T 959-19981998-9-1
A far end camera control protocol for videoconferences using data link protocolGB/T 16858-19971998-3-1
Principles for the maintenance of ISDNsYD/T 930-19971998-1-1
TMN management services and telecommunications managed areasYD/T 933-19971998-1-1
TMN physical architectureYD/T 934-19971998-1-1
TMN logical layered architectureYD/T 935-19971998-1-1
Multipoint control untts for audiovisual systems using digital channels up to 1920kbit/sYD/T 905-19971997-7-1
A Real time control protocol for simplex applications using LSD/HSD/MLP channels of the frame structure for A64TO 1920kbit/s channel in iYD/T 906-19971997-7-1
Universal Network Information Model of Telecommunication Management Network (TMN)YD/T 871-19961997-5-1
Basic Specifications for Management Network Information Model of Synchronous Digital Hierarchy (SDH) YDN 045-19971997-3-1
Frame Structures of 64 -1920kbit/S Channels in Audiovisual Telecommunication ServicesYD/T 847-19961996-11-1
Frame-synchronization control and indication signals in audiovisual systemYD/T 846-19961996-11-1
Systems for Establishment of Communication Between Audiovisual Terminals By Using 2Mbit/S and Below 2Mbit/S Digital ChannelsYD/T 848-19961996-11-1
The Engineering Design Standard for the User Access NetworkYD 5023-19961996-9-1
Basic multiplexing structure for synchronous digital hierarchy signalsGB/T 15940-19951996-8-1
General specification for leaky cable radio communication systemGB/T 15875-19951996-8-1
Standards of Engineering Design for Digital Synchronization NetworkYD 5020-19961996-7-1
Provisional Standards of SDH Engineering Design for Long-Distance Optical Fibre Cable Transmission ProjectYD 5021-19961996-5-9
Frame structure for synchronous digital hierarchy signalGB/T 15409-19941995-8-1
Synchronous digital hierarchy bit ratesGB/T 14731-19931994-8-1
limit values for establishment and adjustment of telephone D/A hybrid circuitYD/T 609-19931993-7-1
Compatibility test procedures of clock and synchroni-zation equipment of digital switch introduced into di-gital networkGB/T 13158-19911992-6-1
Requirements for clock and synchronization equipment used in the digital networkGB 12048-19891990-7-1
Temporary Technical Regulations for Engineering Design of Optical Fiber Digital Transmission System of Urban Local Telephone NetworkYDJ 13-19881989-5-1
Pulse code modulation communication system hierarchyGB/T 4110-19831984-10-1
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