2025-12-24 216.73.216.41
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Code of China
Chinese National Standard List: Communication network technical system

YD/T 1048-2000 800MHz CDMA Digits Cellualr Mobile Communication Network Equipment Technial Specification:Switching Sub-System 
  Issued on: 2000-2-29   Translation Price(USD): 600.0
YDN 038.1-1999 Specifications of Signalling System No. 7 - Isdn User Part 
  Issued on: 1999-08-01   Translation Price(USD): 240.0
YDN 017-1996 Technical system of high-speed radio paging network 
  Issued on: 1996-1-1   Translation Price(USD): 390.0
YDN 011-1996 Business Technology System of Public Electronic Data Interchange (EDI) of China  
  Issued on: 1996-1-1   Translation Price(USD): 2250.0
YDN 089-1998 No.7 Signaling Network System 
  Issued on: 1998-09-01   Translation Price(USD): 270.0
YDN 099-1998 Technical System of Phototiming Transport Network 
  Issued on: 1998-7-23   Translation Price(USD): 2790.0
YDN 088-1998 Technical System of Auto Exchange Telephone (Digital) Network 
  Issued on: 1998-4-1   Translation Price(USD): 900.0
YDN 064-1997 Network General Principles for Broadband Integrated Services Digital Network (B-ISDN) 
  Issued on: 1998-1-5   Translation Price(USD): 480.0
YDN 077-1997 Technical System of China Public Multimedia Communications Network  
  Issued on: 1998-2-1   Translation Price(USD): 600.0
YDN 066-1997 Technical Specification for No.7 Signaling Mode Operation, Maintenance and Administration Part (OMAP) (Temporary Regulations) 
  Issued on: 1998-2-18   Translation Price(USD): 1050.0
YDN 061-1997 Technical System of Access Network (Tentative Specifications) 
  Issued on: 1997-1-1   Translation Price(USD): 1170.0
GB/T 16651-1996 Message handling systems - ElectronicData interchange messaging system 
  Issued on: 1996-1-2   Translation Price(USD): 1275.0
YDN 031-1997 Technical System of Intelligent Network (Temporary Regulations)  
  Issued on: 1997-4-1   Translation Price(USD): 480.0
YDN 044-1997 Technical system of 800MHz CDMA digital cellular mobile communication network 
  Issued on: 1997-1-1   Translation Price(USD): 600.0
YDN 038-1997 Technical Specifications in National NO.7 Signaling Mode - Integrated Services Digital Network User Part (ISUP) (Tentative Specifications)  
  Issued on: 1997-1-1   Translation Price(USD): 5190.0
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
YDN 024-1997 Technical requirements of access network - Fixed wireless access 
  Issued on: 1997-1-1   Translation Price(USD): 580.0
YDN 027-1997 Technical Requirements for SDH Transmission Network - Ring Network (Tentative Specifications) 
  Issued on: 1997-1-1   Translation Price(USD): 570.0
YD/T 852-1996 General Design Principles of Telecommunication Management Network (TMN) 
  Issued on: 1996-7-6   Translation Price(USD): 180.0
YDN 122-1999 No.7 Signaling Mode Broadband Signaling Connection Control Part 
  Issued on: 1999-8-1   Translation Price(USD): 210.0
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