2025-12-27 10.8.118.215
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Code of China
Chinese National Standard List: Communication network technical system

YDN 043-1997 Technical Specification for No. 7 ISUP Signaling of Digital Cellular Telecommunication Network  
  Issued on: 1997-1-1   Translation Price(USD): 840.0
SJ 20851-2002 General specification for the key management center in the military digital secure automatic telephone network 
  Issued on: 2002-12-12   Translation Price(USD): 270.0
YD/T 1543.2-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iu Interface (Phase Ⅰ)Part 2: Layer 1 
  Issued on: 2007-5-16   Translation Price(USD): 100.0
YD/T 1522.1-2006 Technical Requirements for Session Initiation Protocol Part 1:Basic Session Initiation Protocol 
  Issued on: 2006-12-11   Translation Price(USD): 2070.0
YD/T 852-1996 General Design Principles of Telecommunication Management Network (TMN) 
  Issued on: 1996-7-6   Translation Price(USD): 180.0
GB/T 7262.2-2001 Technical requirements and arrangement of equipment for highway communication--Arrangement of equipment 
  Issued on: 1991-07-06   Translation Price(USD): 150.0
YDN 027-1997 Technical Requirements for SDH Transmission Network - Ring Network (Tentative Specifications) 
  Issued on: 1997-1-1   Translation Price(USD): 570.0
YDC 043.14-2006 Technical Requirements of Wireless Application Protocol (WAP) Part 14 Wireless Telephony Application Interface 
  Issued on: 2006-03-08   Translation Price(USD): 1020.0
YD/T 1543.1-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iu Interface (Phase Ⅰ)Part 1:General 
  Issued on: 2007-5-16   Translation Price(USD): 250.0
YD/T 1584.4-2007 Technical Specification for 2GHz Digital Cellular Mobile Communications Network Management General Part 4 CORBA based Interface Design 
  Issued on: 2007-5-16   Translation Price(USD): 1860.0
YD/T 1226-2002 Intelligent network Capabillity Set two (CS-2) Intelligent Network Application Protocol (INAP) 
  Issued on: 2002-8-23   Translation Price(USD): 4950.0
YDN 077-1997 Technical System of China Public Multimedia Communications Network  
  Issued on: 1998-2-1   Translation Price(USD): 600.0
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