2023-2-6 18.232.179.5
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International Standard List: Telecommunication systems

YD/T 589-2006 Basic Requirement of Transmission Impaiment Tolerance for Group 3 Document Facsimile on the Telephone Network 
  Issued on: 2006-12-11   Price(USD): 160.0
YD/T 1443-2006 Technical Requirements of Generic Framing Procedure(GFP) 
  Issued on: 2006-5-31   Price(USD): 480.0
YD/T 1431-2006 Technical requirement and testing methods for the charging performance of exchange-mobile intelligent network part 
  Issued on: 2006-5-31   Price(USD): 270.0
YD/T 1381-2005 IP network technical requirements - -network performance testing metho 
  Issued on: 2005-9-1   Price(USD): 330.0
YD/T 1157.3-2005 The requirements for sending calling party number between networks (Supplementary Ⅲ) 
  Issued on: 2005-6-21   Price(USD): 75.0
YD/T 1071-2006 Technical requirements for IP telephony gateway 
  Issued on: 2000-6-26   Price(USD): 1270.0
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