2025-12-23 10.8.118.215
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
GB/T 21642.4-2012 Technical requirements for IP video conference system devices—Part 4:Gatekeeper 720.0 via email in 1~3 business day valid,,2012-10-1
GB/T 7254-1995 Performance and test methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 270.0 via email in 1~3 business day valid,,1995-1-2
GB/T 28516-2012 Technical requirement for anti-spam Email gateway 160.0 via email in 1~3 business day valid,,2012-10-1
GB/T 30246.4-2013 Home Network - Part 4: Terminal Device Specification - Audio Video and Multimedia Devices 270.0 via email in 1~3 business day valid,,2014-7-15
YD/T 1901-2009 Scenarios and General Requirements of Internet Application Awareness System 240.0 via email in 1~3 business day valid,,2009-9-1
GB/T 11324-1995 Performance and test methods of the fourth order digital multiplex equimpent operating at 139264 kbit/s and using positive justification 270.0 via email in 1~3 business day valid,,1995-1-2
GB/T 30246.1-2013 Home Network - Part 1: System Architecture and Reference Model 210.0 via email in 1~3 business day valid,,2014-7-15
YD/T 2033.3-2009 Testing methods for IP video terminal equipment Part 3：Multipoint Control Unit 1440.0 via email in 1~3 business day valid,,2010-1-1
SJ/T 10231-1991 Technical requirement of wire voice - Band modulation/demodulator for Type 300bit/s 204.0 via email in 1~3 business day valid,,1991-12-1
GB/T 21643-2008 IP Authentication Header 120.0 via email in 1~3 business day valid,,2008-11-1
GB/T 11589-2011 International user classes of service in,and categories of access to,public data networks and integrated services digital networks(ISDNs) 250.0 via email in 1~3 business day valid,,2011-11-1
GB/T 13158-1991 Compatibility test procedures of clock and synchroni-zation equipment of digital switch introduced into di-gital network 120.0 via email in 1~3 business day valid,,1992-6-1
GB/T 26268-2010 Test method for network intrusion detection system 390.0 via email in 1~3 business day valid,,2011-6-1
GB/T 11591-1999 Packet assembly/disassembly facility (PAD)in a public data network 300.0 via email in 1~5 business day superseded,2011-11-1,2000-6-1
GB/T 16521-1996 General arrangements for interworking between packet switched public data networks (PSPDN) and circuit switched public data networks (CSPDN) for the provision of data transmission services 120.0 via email in 1~3 business day abolished2005-10-14,,1997-5-1
GB/T 11589-1999 International user classes of service in, and categories of access to, public data networks and integrated services digital networks （ISDNs） 220.0 via email in 1~3 business day superseded,2011-11-1,2000-3-1
GB/T 32398-2015 Chinese internet email address―Technical specification for SMTP extension to support 160.0 via email in 1~3 business day valid,,2016-7-1
YD/T 1476-2006 Technical Specification for BGP/MPLS VPN 330.0 via email in 1~3 business day valid,,2006-10-1
GB/T 7557-1987 General characteristics complying with the network performance objectives for 300 channel carrier telephone systems on standardized 1. 2/4. 4mm coaxial cable pairs 180.0 via email in 1~3 business day abolished2005-10-14 ,,1987-1-1
YD/T 1629-2007 Technical Requirements for Ethernet Switching Derices Security with Routing Capability 270.0 via email in 1~3 business day valid,,2007-10-1
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GB/T 21642.4-2012 Technical requirements for IP video conference system devices—Part 4:Gatekeeper 
  Issued on: 2012-6-29   Price(USD): 720.0
GB/T 7254-1995 Performance and test methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 
  Issued on: 1995-4-6   Price(USD): 270.0
GB/T 28516-2012 Technical requirement for anti-spam Email gateway 
  Issued on: 2012-6-29   Price(USD): 160.0
GB/T 30246.4-2013 Home Network - Part 4: Terminal Device Specification - Audio Video and Multimedia Devices 
  Issued on: 2013-12-31   Price(USD): 270.0
YD/T 1901-2009 Scenarios and General Requirements of Internet Application Awareness System 
  Issued on: 2009-6-15   Price(USD): 240.0
GB/T 11324-1995 Performance and test methods of the fourth order digital multiplex equimpent operating at 139264 kbit/s and using positive justification 
  Issued on: 1995-04-06   Price(USD): 270.0
GB/T 30246.1-2013 Home Network - Part 1: System Architecture and Reference Model 
  Issued on: 2013-12-31   Price(USD): 210.0
YD/T 2033.3-2009 Testing methods for IP video terminal equipment Part 3：Multipoint Control Unit 
  Issued on: 2009-12-11   Price(USD): 1440.0
SJ/T 10231-1991 Technical requirement of wire voice - Band modulation/demodulator for Type 300bit/s 
  Issued on: 1991-5-28   Price(USD): 204.0
GB/T 21643-2008 IP Authentication Header 
  Issued on: 2008-4-10   Price(USD): 120.0
GB/T 11589-2011 International user classes of service in,and categories of access to,public data networks and integrated services digital networks(ISDNs) 
  Issued on: 2011-7-29   Price(USD): 250.0
GB/T 13158-1991 Compatibility test procedures of clock and synchroni-zation equipment of digital switch introduced into di-gital network 
  Issued on: 1991-9-16   Price(USD): 120.0
GB/T 26268-2010 Test method for network intrusion detection system 
  Issued on: 2011-1-14   Price(USD): 390.0
GB/T 11591-1999 Packet assembly/disassembly facility (PAD)in a public data network 
  Issued on: 1999-01-01   Price(USD): 300.0
GB/T 16521-1996 General arrangements for interworking between packet switched public data networks (PSPDN) and circuit switched public data networks (CSPDN) for the provision of data transmission services 
  Issued on: 1996-09-09   Price(USD): 120.0
GB/T 11589-1999 International user classes of service in, and categories of access to, public data networks and integrated services digital networks （ISDNs） 
  Issued on: 1999-08-02   Price(USD): 220.0
GB/T 32398-2015 Chinese internet email address―Technical specification for SMTP extension to support 
  Issued on: 2015-12-31   Price(USD): 160.0
YD/T 1476-2006 Technical Specification for BGP/MPLS VPN 
  Issued on: 2006-6-8   Price(USD): 330.0
GB/T 7557-1987 General characteristics complying with the network performance objectives for 300 channel carrier telephone systems on standardized 1. 2/4. 4mm coaxial cable pairs 
  Issued on: 1987-03-02   Price(USD): 180.0
YD/T 1629-2007 Technical Requirements for Ethernet Switching Derices Security with Routing Capability 
  Issued on: 2007-4-16   Price(USD): 270.0
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