2025-12-21 216.73.216.41
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
YD/T 1930-2009 General Technical Requirements of the Networking for the Unified IMS (Release 1) 720.0 via email in 1~3 business day valid,,2009-9-1
GB/T 7617-1987 Power levels for data transmission over telephone lines 180.0 via email in 1~3 business day abolished2005-10-14 ,,1987-11-1
GB/T 13137-1991 Specification for 12-channel telephone carrier terminal equipment used on the symmetric pains of 2.6/9.5mm coaxial cable 180.0 via email in 1~3 business day abolished2017-12-15,,1992-4-1
GB/T 14130-1993 requirements for digital sections of metallic cables used in telecommunication network 150.0 via email in 1~3 business day abolished2017-12-15,,1993-8-1
YD/T 2046-2009 Technical requirements for security of xDSL CPE 150.0 via email in 1~3 business day valid,,2010-1-1
YD/T 1289.5-2007 Technical Specification for SDH Transport Network Management - Part 5 : EMS-NMS The Generic Information Model 1120.0 via email in 1~3 business day valid,,2007-10-1
YD/T 912-1997 Lower layer protocol profiles forthe Q3 and X interface 600.0 via email in 1~3 business day valid,,1998-1-1
GB 3376-1982 Inband pulsing single frequency line signalling system for telephone automatic switching network 224.0 via email in 1~3 business day valid,,1983-10-1
YDB 147-2014 System framework for public opinion monitoring and analysis of Internet 354.0 via email in 1~3 business day valid,,
YD/T 1928.2-2009 Softswitch Network Management System Technical Specification--Part 2:NMS Function 420.0 via email in 1~3 business day valid,,2009-9-1
YD/T 1387.1-2005 Testing methods of IP trunk media gateway 1800.0 via email in 1~3 business day valid,,2005-12-1
YD/T 1387.4-2008 Testing Methods for Media Gateway——Providing Multimedia Services 1260.0 via email in 1~5 business day valid,,2008-6-1
GB/T 5443-1985 The test methods for the technical specifications of ringing and tone for automatic telephone switching network 244.0 via email in 1~3 business day valid,,1986-6-1
YD/T 1701-2007 Security Requirements of H.323 Network 1050.0 via email in 1~3 business day valid,,2008-1-1
YD/T 1604-2007 Technical Requirements of Peer to Peer Multimedia Messageing Service Interworking between Networks 210.0 via email in 1~3 business day valid,,2007-10-1
YD/T 1913-2009 Security Technical Requirements and Test Methods for Signaling Gateway Based on Softswitch 240.0 via email in 1~3 business day valid,,2009-9-1
GB/T 10199.2-1988 Test procedure for facsimile apparatus; Document facsimile (digital) 300.0 via email in 1~3 business day valid,,1989-8-1
YD/T 1533.3-2007 Technical Requirements for the Multimedia Message Service based on Fixed Network Part 3:Multimedia Message Service Terminal 270.0 via email in 1~3 business day valid,,2008-1-1
YD/T 1694-2007 Technical Requirements for OAM Function in Ethernet Based on Network 630.0 via email in 1~3 business day valid,,2008-1-1
GB/T 21641-2008 Technique requirements of video conferencing system inter working between different technologies 720.0 via email in 1~5 business day valid,,2008-11-1
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YD/T 1930-2009 General Technical Requirements of the Networking for the Unified IMS (Release 1) 
  Issued on: 2009-6-15   Price(USD): 720.0
GB/T 7617-1987 Power levels for data transmission over telephone lines 
  Issued on: 1987-04-03   Price(USD): 180.0
GB/T 13137-1991 Specification for 12-channel telephone carrier terminal equipment used on the symmetric pains of 2.6/9.5mm coaxial cable 
  Issued on: 1991-8-15   Price(USD): 180.0
GB/T 14130-1993 requirements for digital sections of metallic cables used in telecommunication network 
  Issued on: 1993-2-4   Price(USD): 150.0
YD/T 2046-2009 Technical requirements for security of xDSL CPE 
  Issued on: 2009-12-11   Price(USD): 150.0
YD/T 1289.5-2007 Technical Specification for SDH Transport Network Management - Part 5 : EMS-NMS The Generic Information Model 
  Issued on: 2007-4-16   Price(USD): 1120.0
YD/T 912-1997 Lower layer protocol profiles forthe Q3 and X interface 
  Issued on: 1997-12-02   Price(USD): 600.0
GB 3376-1982 Inband pulsing single frequency line signalling system for telephone automatic switching network 
  Issued on: 1982-12-29   Price(USD): 224.0
YDB 147-2014 System framework for public opinion monitoring and analysis of Internet 
  Issued on: 2015-01-30   Price(USD): 354.0
YD/T 1928.2-2009 Softswitch Network Management System Technical Specification--Part 2:NMS Function 
  Issued on: 2009-6-15   Price(USD): 420.0
YD/T 1387.1-2005 Testing methods of IP trunk media gateway 
  Issued on: 2005-9-1   Price(USD): 1800.0
YD/T 1387.4-2008 Testing Methods for Media Gateway——Providing Multimedia Services 
  Issued on: 2008-03-28   Price(USD): 1260.0
GB/T 5443-1985 The test methods for the technical specifications of ringing and tone for automatic telephone switching network 
  Issued on: 1985-10-30   Price(USD): 244.0
YD/T 1701-2007 Security Requirements of H.323 Network 
  Issued on: 2007-9-29   Price(USD): 1050.0
YD/T 1604-2007 Technical Requirements of Peer to Peer Multimedia Messageing Service Interworking between Networks 
  Issued on: 2007-4-16   Price(USD): 210.0
YD/T 1913-2009 Security Technical Requirements and Test Methods for Signaling Gateway Based on Softswitch 
  Issued on: 2009-6-15   Price(USD): 240.0
GB/T 10199.2-1988 Test procedure for facsimile apparatus; Document facsimile (digital) 
  Issued on: 1988-1-2   Price(USD): 300.0
YD/T 1533.3-2007 Technical Requirements for the Multimedia Message Service based on Fixed Network Part 3:Multimedia Message Service Terminal 
  Issued on: 2007-9-29   Price(USD): 270.0
YD/T 1694-2007 Technical Requirements for OAM Function in Ethernet Based on Network 
  Issued on: 2007-9-29   Price(USD): 630.0
GB/T 21641-2008 Technique requirements of video conferencing system inter working between different technologies 
  Issued on: 2008-04-10   Price(USD): 720.0
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