Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YD/T 1825-2008 Technical Requirement of IPTV Terminal Device Set-Card Separation 390.0 via email in 1~3 business day valid
YD/T 1901-2009 Scenarios and General Requirements of Internet Application Awareness System 240.0 via email in 1~3 business day valid
YD/T 947-1998 Upper layer protocol profiles for the Q3 and X interface 225.0 via email in 1~3 business day valid
YD/T 1264-2003 General technical requirement of IP telephony and IP fax services:Phase two 2400.0 via email in 1~3 business day valid
YD/T 1477-2006 The Requirements for Constructing BGP/MPLS-based Virtual Private Network 390.0 via email in 1~3 business day valid
YDB 162-2015 The technical requirement of cloud service assurance management via email in business day valid
YD/T 1476-2006 Technical Specification for BGP/MPLS VPN 330.0 via email in 1~3 business day valid
SL 292-2004 Guideline for telecommunication service of water department 405.0 via email in 1~3 business day valid
GB/T 30246.3-2013 Home Network - Part 3: Internal Gateway Specification 480.0 via email in 1~5 business day valid
GB/T 13503-1992 Generic specification for digital microwave radio relay communication equipment 240.0 via email in 1~3 business day valid
GB/T 15941-1995 Requirements for synchronous digital hierarch (SDH) optical fiber cable line systems of national public telecommunication network 600.0 via email in 1~8 business day abolished
GB/T 11590-2011 International data transmission services and optional user facilities in public data networks and ISNDs 390.0 via email in 1~3 business day valid
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
YD/T 1963-2009 Distance Learning Communications Platform Communication Protocols 300.0 via email in 1~3 business day valid
GB/T 13428-1992 Methods of measurement for the delta modulation equipment 180.0 via email in 1~3 business day valid
YD/T 1701-2007 Security Requirements of H.323 Network 1050.0 via email in 1~3 business day valid
YD/T 1341-2005 Internet Protocol version6(IPv6) specification 270.0 via email in 1~3 business day valid
GB/T 9408-1988 Specifications for colour TV modulation equipment(1TV+1 sound program)-Used in long-haul terestrial analog radio-relay systems 150.0 via email in 1~3 business day valid
YD/T 1927-2009 Technical Requirements for the Softswitch Services Access Control Device 270.0 via email in 1~3 business day valid
YD/T 1912-2009 Security Technical Requirements and Test Methods for Media Server Based on Softswitch 240.0 via email in 1~3 business day valid
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