Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
LoginRegister
Position: Search valid to be valid superseded to be superseded abolished to be abolished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 1584.4-2007 Technical Specification for 2GHz Digital Cellular Mobile Communications Network Management General Part 4 CORBA based Interface Design 1860.0 via email in 1~3 business day valid
YD/T 2039-2009 Authentication mechanism of end-to-end data communication for application in Mobile Network 480.0 via email in 1~3 business day valid
YD/T 1546-2007 2GHz WCDA Digital Cellular Mobile Communication Network—Uu Interface Technical Specification of RRC 10000.0 via email in 1~3 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 1543.1-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iu Interface (Phase Ⅰ)Part 1:General 234.0 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 1637-2007 Technical Specification and Testing Methods for N-frequency Capable Equipments of 2GHz TD-SCDMA Digital Cellular Mobile Communication Network 510.0 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 1248.4-2005 Part Ⅳ:Test methods of short message centre based on PSTN 3090.0 via email in 1~10 business day valid
YD/T 1543.2-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iu Interface (Phase Ⅰ)Part 2: Layer 1 104.0 via email in 1~3 business day valid
YD/T 1718-2007 Testing Methods for Service and Protocol in Peer to Peer Multimedia Messaging Service Interworking 510.0 via email in 1~3 business day valid
YD/T 1552-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network RAN Equipment (Phase Ⅰ) 555.0 via email in 1~5 business day abolished
GA/T 528-2005 Technical specification of vehicle emergency communication system for public security 225.0 via email in 1~3 business day superseded
YD/T 1543.5-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iu Interface (Phase Ⅰ)Part 5:Data Transport&Transport Signaling 134.0 via email in 1~3 business day valid
YD/T 1563-2007 Testing Methods for High Rate Packet Data(HRPD)A Interface (Phase Ⅰ)in 2GHz cdma2000 Digital Cellular Mobile Communication Network 390.0 via email in 1~5 business day abolished
YD/T 1880-2009 The Technical Requirement of Softswitch and Circuit Switching Network Interworking between Networks 120.0 via email in 1~3 business day valid
YD/T 1984-2009 Technical requirements for IMS system equipments in mobile communication network 1620.0 via email in business day valid
YD/T 1653-2007 General Technical Specification for Streaming Media over IP-based Network 210.0 via email in 1~3 business day valid
YD/T 1374.6-2007 Technical Requirements for Iu Interface of 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Ⅱ)Part 6 : User Plane Protocols 650.0 via email in 1~3 business day valid
About Us | Contact Us | Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | Send me a messageQQ: 672269886
Copyright: Codeofchina Inc 2008-2020