Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
YD/T 1701-2007 Security Requirements of H.323 Network 1050.0 via email in 1~3 business day valid
YD/T 1076-2000 Access Network technical specification-cable modem 2325.0 via email in 1~3 business day valid
GB/T 32397-2015 Chinese internet email address―Technical specification for email headers to support 150.0 via email in 1~3 business day valid
GB/T 7619-1987 Electrical characteristics for balanced double-current interchange circuits for general use with integrated circuit equipment in the field of data communications 150.0 via email in 1~3 business day valid
YD/T 1330-2004 Techincal requirements and testing methods for data communication interface converters 855.0 via email in 1~8 business day valid
YD/T 1657.4-2007 Technical Specification for the Proxy Supporting Network Address Translation/Firewall Traverse of Multimedia Services Part 4:H.248 Proxy 360.0 via email in 1~3 business day valid
GB/T 26267-2010 Technical requirement for anti-spam email equipment 150.0 via email in 1~3 business day valid
GB/T 13129-1991 Specifications for interworking of chinese ideogram teletex on public telecommunication networks-Control procedures 2160.0 via email in 1~3 business day abolished
GB/T 7394-1987 of 600-9600bit/s baseband MODEM 75.0 via email in 1~3 business day valid
YD/T 1141-2007 Testing Specification for Giga Bit Ethernet LAN Switch 900.0 via email in 1~3 business day valid
YD/T 1917-2009 IPv6 Network Equipment Testing Methods--Ethernet Switch with Routing Capability 600.0 via email in 1~3 business day valid
YDN 047-1997 Technical Specifications for Service Switching Points (SSP) of China Intelligent Network Equipment 750.0 via email in 1~3 business day valid
GB/T 15845.3-1995 Performance requirements of andiovisual terminals-System for establishing communication between audiovisual terminals using digital channels up to 2Mbit/s 330.0 via email in 1~3 business day valid
YDN 049-1997 Technical Specifications for Service Management Points (SMP) of China Intelligent Network Equipment 360.0 via email in 1~3 business day valid
YD/T 1916-2009 Technical Specification for IPv6 Network Equipment--Broadband Network Access Server 420.0 via email in 1~3 business day valid
GB/T 15845.5-1995 Performance requirements of audiovisual terminals - Video code for audiovisual services at P×64kbit/s 330.0 via email in 1~3 business day valid
GB/T 15845.1-1995 Performance requirements of audiovisual terminals-Frame structure for a 64 to 1920kbit/s channel in audiovisual teleservices 330.0 via email in 1~3 business day valid
YD/T 781-1995 380.0 via email in 1~3 business day abolished
YD/T 1697-2007 Technical Specificaton for IPTV COP&SOP Interface 390.0 via email in 1~3 business day valid
GB/T 9412-1988 Modems for data transmission at 48 kilobits per second using 60~108 kHz group band circuits 105.0 via email in 1~3 business day valid
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