2025-12-14 216.73.216.3
Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

Code of China
Chinese National Standard List: Telecommunication services

YD/T 1388.3-2005 Technical requirements of the softswitch based services part3 : Call forwarding services 
  Issued on: 2005-9-1   Translation Price(USD): 210.0
YDN 006-1996 Technical Requirements for Centralized Management System of Automatic Telephone Charging Equipment (Tentative Specifications) 
  Issued on: 1996-1-1   Translation Price(USD): 120.0
YD/T 1037-2000 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification of CAMEL Application Part(CAP) 
  Issued on: 2000-01-28   Translation Price(USD): 1300.0
YD/T 1388.5-2005 Technical requirements of the softswitch based services part 5 : Click to dial services 
  Issued on: 2005-9-1   Translation Price(USD): 360.0
YDN 109-1998 General specifications for integrated circuit(IC)card payphone and system 
  Issued on: 1998-1-1   Translation Price(USD): 1290.0
YD/T 1377.1-2005 Testing methods of service and protocol of peer to peer short message interworking between networksPart1 : Testing methods of peer to peer short message interworking between PSTN and  
  Issued on: 2005-9-1   Translation Price(USD): 675.0
YD/T 1201-2002 Services and basic function requirements for In CS—2 
  Issued on: 2002-06-21   Translation Price(USD): 490.0
YD/T 2024-2009 Technical Requirements of Increasing Trunk Capacity for Internet Connections 
  Issued on: 2009-12-11   Translation Price(USD): 150.0
YD/T 1044-2000 The General Technical Requirement of IP telephony an IP Fax Services 
  Issued on: 2000-2-23   Translation Price(USD): 1270.0
YD/T 2023-2009 The general technique requirements of service quality monitor System in Multi-carrier internet 
  Issued on: 2009-12-11   Translation Price(USD): 340.0
YDN 115.2-1999 Test Specification for China Intelligent Network Services (Wide Area Centrex) 
  Issued on: 1999-04-01   Translation Price(USD): 1620.0
YDN 116-1999 Information Stream of Universal Personal Telecommunication Service (UPT), Wide Area Centrex Switch Service (WAC), Vote of Telephone Service (VOT) and Mass Calling Service (MAS) (Internal Standard) 
  Issued on: 1999-04-01   Translation Price(USD): 3270.0
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 
  Issued on: 2000-01-28   Translation Price(USD): 1215.0
YD/T 1248.3-2004 Short message service based on PSTN Technique requirements of short message centre 
  Issued on: 2004-07-16   Translation Price(USD): 450.0
YDN 030.2-1997 Code Number and Dialing Procedure of Universal Personal Telecommunication, Wide Area Centrex Switch (WAC), Vote of Telephone (VOT) and Mass Calling (MAS) Services 
  Issued on: 1997-4-1   Translation Price(USD): 234.0
YDN 046-1997 Technical Requirements for Automatic Accounting System of Telephone of Centralized Charging and Management Type (Tentative Specifications)  
  Issued on: 1997-1-1   Translation Price(USD): 180.0
YD/T 1522.3-2006 Technical Requirements for Session Initiation Protocol Part 3:Interworking between ISUP and SIP 
  Issued on: 2006-12-11   Translation Price(USD): 720.0
YD/T 1533.2-2006 Technical Requirements of Multimedia Message Service Based on Fixed Network Part 2:Multimedia Message Service Interface 
  Issued on: 2006-12-11   Translation Price(USD): 720.0
YD/T 1264-2003 General technical requirement of IP telephony and IP fax services:Phase two 
  Issued on: 2003-6-5   Translation Price(USD): 2400.0
YDB 006-2007 Technical Requirements for PSTN/ISDN Emulation Services in NGN 
  Issued on: 2007-06-11   Translation Price(USD): 120.0
About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 Email: coc@codeofchina.com | Send me a messageQQ: 672269886
Copyright: Beijing COC Tech Co., Ltd. 2008-2040