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YD/T 3239-2017 General technical requirements for SIM-Applet based mobile authentication system via email in VALID please email coc@codeofchina.com for quotation
YD/T 876-1996 165 (USD) via email in 1-3 business day
GB 11589-1989 75 (USD) via email in 1-3 business day ABOLISHED
YD/T 1039-2000 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Specification for Short Message Center Equipment Part one:Point to Point Short Message Service 405 (USD) via email in 1-3 business day ABOLISHED
YD/T 1276-2003 Testing methods of SDH multi-service transport platform 1620 (USD) via email in 1-10 business day VALID
YD/T 1388.2-2005 Technical requirements of the softswitch based services part2:Number identification services 435 (USD) via email in 1-3 business day VALID
YD/T 1035-2000 IP Network-Based Technology Standards for Transaction Process 1125 (USD) via email in 1-8 business day VALID
YD/T 1388.6-2005 Technical requirements of the softswitch based services part 6:Video multimedia services 465 (USD) via email in 1-5 business day VALID
YD/T 3315-2018 Telecommunication network and internet security service implementation requirements via email in VALID please email coc@codeofchina.com for quotation
YD/T 1196-2002 Technical specification of distance learning on IP network 465 (USD) via email in 1-5 business day VALID
GB/T 32404-2015 General technological framework for logistic information service in mobile network based on M2M technology 300 (USD) via email in 1-3 business day VALID
T/CCSA 219-2018 Test Specification for Mobile Application Store Client via email in VALID please email coc@codeofchina.com for quotation
YD/T 1328-2004 The technical requirement and test method for the charging performance of currently used central office switching equipment--mobile network part 390 (USD) via email in 1-3 business day ABOLISHED
GF 009-1994 900 (USD) via email in 1-8 business day VALID
YDN 119.3-1999 585 (USD) via email in 1-5 business day VALID
YD/T 1403-2005 The technical requirement and test method of service qualification of peer peer short message interworkding between networks 510 (USD) via email in 1-5 business day VALID
YD/T 1883.1-2009 Technical Requirements and Testing Methods for Voice Service of the Fixed Softswitch Network Part 1:TG and SG Access Mode via email in ABOLISHED please email coc@codeofchina.com for quotation
YDN 030.1-1997 675 (USD) via email in 1-5 business day VALID
YD/T 1151-2001 New Service Technical Specification-Multimedia Retrieval System 900 (USD) via email in 1-8 business day VALID
YDB 004-2007 The General Technical Requirements of Next Generation Network (NGN) Service via email in VALID please email coc@codeofchina.com for quotation
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