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Standard No. Title Price(USD) Delivery Status Add To Cart
YDN 126-2009 Baseline requirements for network and information security of value-added telecommunication services via email in VALID please email coc@codeofchina.com for quotation
T/CCSA 218-2018 Test specification for mobile application store via email in VALID please email coc@codeofchina.com for quotation
YDN 006-1996 (USD) via email in 1-3 business day VALID
YD/T 1248.1-2003 Short Message Service Based on PSTN Part 1:Technical Requirements and Testing Methods of Short Message Terminal Equipment (USD) via email in 1-3 business day VALID
YD/T 1345-2005 Technical Requirements for SDH-based MSTP Embedded with RPR (USD) via email in 1-3 business day VALID
YD/T 1937-2009 Technical Requirement for SIP Based Push via email in VALID please email coc@codeofchina.com for quotation
YD/T 1149-2001 IP Network Technical Requirement—Charging (USD) via email in 1-3 business day VALID
YDB 007-2007 Technical Requirements for PSTN/ISDN Simulation Services in NGN via email in VALID please email coc@codeofchina.com for quotation
YD/T 1430-2006 Specification of interworking requirements for one number services (USD) via email in 1-3 business day VALID
YDB 005-2007 Technical Requirements for IP multimedia services in NGN via email in VALID please email coc@codeofchina.com for quotation
YDN 107.1-1999 (USD) via email in 1-10 business day VALID
T/CCSA 217-2018 Technical requirements for fingerprint recognition of smart mobile terminal via email in VALID please email coc@codeofchina.com for quotation
YD/T 2009-2009 Technical Requirement of Services based on the Unified IMS Customized Multimedia Ringing Service (Release 1) via email in VALID please email coc@codeofchina.com for quotation
YD/T 1248.3-2004 Short message service based on PSTN Technique requirements of short message centre (USD) via email in 1-3 business day VALID
YD/T 1040-2000 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Short Message Center Equipment Testing Specification Part one:Point-to-Point Short Message Service (USD) via email in 1-10 business day ABOLISHED
YD/T 1288-2003 Technical specification for IP telephony interworking based on H.323 and SIP (USD) via email in 1-8 business day VALID
YD/T 1176-2002 The Technical Requirement for Charging in Public Telecommunication Network (USD) via email in 1-8 business day VALID
YD/T 1040.1-2005 900/1800MHz TDMA digital cellular mobile telecommunication network testing specification for short Message service center equipment PartI:Point to point short message service (USD) via email in 1-8 business day VALID
GB 2356-1980 Telephone parameters-Equivalence series standard (USD) via email in 1-3 business day ABOLISHED
YD/T 1895.1-2009 Mobile Network Service Dial Testing Management Technical Requirement Part 1:Dial Testing Management System Function via email in VALID please email coc@codeofchina.com for quotation
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