Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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JT/T 627-2005 Technical requirements of VHF marine data communication system for inland waterway 105.0 via email in 1~3 business day valid
YD/T 1147-2001 Access Network Management Interface Specification - ADSL Part 1500.0 via email in 1~3 business day valid
YD/T 971-1998 Network specific data protocol stacks for multimedia conferencing 420.0 via email in 1~3 business day valid
YD/T 1101-2001 User Access Network Management Interface Specification -V5 Management and General part 1800.0 via email in 1~3 business day valid
YD/T 1315-2004 Test method of adaption layer of No.7 signalling interworking with IP--Message Transfer Part (MTP) level 2 peer-to-peer adaption layer 990.0 via email in 1~10 business day valid
GB 33473-2016 General technical requirements of handover interfacefor instant communication services 220.0 via email in 1~3 business day valid
YD/T 1097-2001 Router Equipment Technical Specification——High End Router 1485.0 via email in 1~10 business day valid
GB/T 11597-1999 Procedure for the exchange of control information and user data between a packet assembly /disassembly(PAD) facility and a packet mode DTE or another PAD 230.0 via email in 1~3 business day valid
YD/T 1985-2009 Testing methods for IMS system equipments of mobile telecommunication network 3330.0 via email in 1~3 business day valid
YD/T 1881-2009 The Technical Requirement of Protocal between Different Operators Softswitch Network 390.0 via email in 1~5 business day valid
YD/T 1347-2005 Technical requirements for access network - Remote management of Asymmetric Digital Subscriber Line(ADSL) CPE 825.0 via email in 1~3 business day valid
YD/T 1640-2007 Technical Specification for Softswitch and Digital Trunking Mobile Communication System Inter-working between Networks 120.0 via email in 1~3 business day valid
YD/T 1336-2005 800MHz CDMA digital cellular mobile telecommunication network Wireless Intelligent Network (WIN)phase 2:interface test method 1470.0 via email in 1~10 business day valid
YD/T 937-1997 Confidentiality system for audiovisual services 150.0 via email in 1~3 business day valid
YD/T 829-1996 Technical Requirement for DCME Access to Domestic Satellite Digital Communication Network 480.0 via email in 1~3 business day valid
YDC 044-2006 400/1800MHz SCDMA radio access system:technical requirement for air interface protocol 600.0 via email in 1~3 business day valid
YD/T 1237-2002 The Technical Requirements and Test Methods for PSTN Videophone 435.0 via email in 1~5 business day valid
YD/T 1377.3-2008 Test Methods of Service and Protocol of Peer to Peer Short Message Interworking between Networks Part3 : Test Methods of Peer to Peer Short Message Interworking between PLMN and PLMN 270.0 via email in 1~3 business day valid
YD/T 1145-2001 Network Management Interface Testing Method Specification 600.0 via email in 1~8 business day valid
YD/T 1480-2006 Test Methods of Application Server Based on Softswitch 450.0 via email in 1~3 business day valid
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