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Standard No. Title Price(USD) Delivery Status Add To Cart
YDN 106.1-1999 (USD) via email in 1-3 business day VALID
YD/T 1404-2005 Technical requirements of increasing trunk capacity for inter-public telecom network (USD) 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 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1929-2009 Requirements for the Unified IMS (Phase 1) via email in VALID please email coc@codeofchina.com for quotation
YD/T 1757-2008 Classified Management Security Protection Testing Requirements for Telecom Network and Internet (USD) via email in 1-3 business day VALID
GB/T 2683-1981 Test chart for facsimile transmission (USD) via email in 1-3 business day VALID
YD/T 1758-2008 Security Protection Requirements for the Support Unit of Core Production Network (USD) via email in 1-3 business day VALID
YD/T 700-1993 (USD) via email in 1-3 business day
YD/T 1753-2008 Security Protection Testing Requirements for Supporting Network (USD) via email in 1-3 business day VALID
YD/T 1284-2003 The technical requirement for quality of communication for inter-public telecom netwrok-call completion rate and post dailling delay for telephone call (USD) via email in 1-3 business day VALID
YD/T 1759-2008 Security Protection Testing Requirements for the Support Unit of Core Production Network (USD) via email in 1-3 business day VALID
DB37/T 3645-2019 via email in 1 business day VALID please email coc@codeofchina.com for quotation
YD/T 2057-2009 General requirements of Safety management for telecommunication room via email in VALID please email coc@codeofchina.com for quotation
YD/T 1171-2001 IP Network Specification -Network Performance Parameters and Objectives (USD) via email in 1-3 business day ABOLISHED
YD/T 1731-2008 Implementation Guide for Disaster Backup and Recovery of Telecom Network and Internet (USD) via email in 1-3 business day ABOLISHED
GF 008.1-1994 (USD) via email in 1-10 business day
YD/T 1747-2008 Security Protection Testing Requirements for IP Bearer Network (USD) via email in 1-3 business day ABOLISHED
YD/T 1756-2008 Classified Management Security Protection Requirements for Telecom Network and Internet (USD) via email in 1-3 business day VALID
YD/T 1034-2000 Vocabulary of terms for access network (USD) via email in 1-3 business day ABOLISHED
YD/T 967-1998 Vocabulary of terms for synchronous digital hierarchy networks and equipments (USD) via email in 1-3 business day VALID
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