2025-12-16 216.73.216.89
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
YD/T 1663-2007 Testing Methods for Bearer Independent Call Control 1020.0 via email in 1~3 business day valid,,2007-12-1
YD/T 1662-2007 Testing Methods for National No.7 Signalling System——GSM Mobile Telephone User Part (MTUP) 1050.0 via email in 1~3 business day valid,,2007-12-1
YDC 048-2007 Overall Technical Specification for ENUM 750.0 via email in 1~3 business day valid,,2007-3-16
YD/T 1309-2004 Bearer independent call bearer control specification 1500.0 via email in 1~3 business day valid,,2004-2-9
YD/T 1304-2004 Test specification for national No.7 signalling system - Message Transfer Part (MTP)and Telephone User Part (TUP) 4350.0 via email in 1~3 business day valid,,2004-2-9
YD/T 1296-2003 Technical specification for public IP voice switch 390.0 via email in 1~3 business day valid,,2003-12-30
YD/T 1239-2002 Access Network Technical Specifications-Very-high-speed Digital Subscriber Line 2250.0 via email in 1~5 business day valid,,2002-11-8
YD/T 1193.3-2002 Bearer independent call control specification - Part3 : procedure of BICC 900.0 via email in 1~3 business day valid,,2002-6-21
YD/T 1193.1-2002 Bearer independent call control specification-Part 1:functional of BICC 160.0 via email in 1~3 business day valid,,2002-6-1
GF 018-1995 Numbering for automatic telephone in public phone network 190.0 via email in 1~3 business day abolished2009-12-01,,2002-4-1
YD/T 958-1998 Digital subscriber signalling system No.1(DSS1)-signalling specification for frame mode basic call control 910.0 via email in 1~5 business day valid,,1998-9-1
YD/T 913-1997 Digital subscriber signalling system No.1(DSS1)－typical DSS1 service indicator codings for ISDN telecommunications services 630.0 via email in 1~3 business day valid,,1998-1-1
YD/T 887-1997 Regulations for session initiation period of data transmission over public telephone network 130.0 via email in 1~3 business day abolished2009-12-01,,1997-7-1
GB/T 14401-1993 between mobile station and base station and mobile services switching centre in public land mobile communication network at 450MHz band 450.0 via email in 1~3 business day valid,,1994-1-1
GB 3971.2-1983 Interoffice junction digital line signalling system for telephone automatic switching network 150.0 via email in 1~3 business day valid,,1984-10-1
GB 3379-1982 Interoffice direct signalling system for telephone automatic switching network 570.0 via email in 1~5 business day abolished2005-10-14 ,,1983-10-1
GB 3377-1982 Multi frequency register signalling system for telephone antomatic switching network 270.0 via email in 1~3 business day valid,,1983-10-1
GB 3376-1982 Inband pulsing single frequency line signalling system for telephone automatic switching network 224.0 via email in 1~3 business day valid,,1983-10-1
GB 3380-1982 Ringing and tone for telephone automatic switching network 90.0 via email in 1~3 business day valid,,1983-10-1
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YD/T 1663-2007 Testing Methods for Bearer Independent Call Control 
  Issued on: 2007-7-20   Price(USD): 1020.0
YD/T 1662-2007 Testing Methods for National No.7 Signalling System——GSM Mobile Telephone User Part (MTUP) 
  Issued on: 2007-7-20   Price(USD): 1050.0
YDC 048-2007 Overall Technical Specification for ENUM 
  Issued on: 2007-3-16   Price(USD): 750.0
YD/T 1309-2004 Bearer independent call bearer control specification 
  Issued on: 2004-2-9   Price(USD): 1500.0
YD/T 1304-2004 Test specification for national No.7 signalling system - Message Transfer Part (MTP)and Telephone User Part (TUP) 
  Issued on: 2004-2-9   Price(USD): 4350.0
YD/T 1296-2003 Technical specification for public IP voice switch 
  Issued on: 2003-12-30   Price(USD): 390.0
YD/T 1239-2002 Access Network Technical Specifications-Very-high-speed Digital Subscriber Line 
  Issued on: 2002-11-08   Price(USD): 2250.0
YD/T 1193.3-2002 Bearer independent call control specification - Part3 : procedure of BICC 
  Issued on: 2002-6-21   Price(USD): 900.0
YD/T 1193.1-2002 Bearer independent call control specification-Part 1:functional of BICC 
  Issued on: 2002-06-21   Price(USD): 160.0
GF 018-1995 Numbering for automatic telephone in public phone network 
  Issued on: 1996-01-01   Price(USD): 190.0
YD/T 958-1998 Digital subscriber signalling system No.1(DSS1)-signalling specification for frame mode basic call control 
  Issued on: 1998-08-07   Price(USD): 910.0
YD/T 913-1997 Digital subscriber signalling system No.1(DSS1)－typical DSS1 service indicator codings for ISDN telecommunications services 
  Issued on: 1997-12-2   Price(USD): 630.0
YD/T 887-1997 Regulations for session initiation period of data transmission over public telephone network 
  Issued on: 1997-02-28   Price(USD): 130.0
GB/T 14401-1993 between mobile station and base station and mobile services switching centre in public land mobile communication network at 450MHz band 
  Issued on: 1993-5-17   Price(USD): 450.0
GB 3971.2-1983 Interoffice junction digital line signalling system for telephone automatic switching network 
  Issued on: 1983-12-15   Price(USD): 150.0
GB 3379-1982 Interoffice direct signalling system for telephone automatic switching network 
  Issued on: 1982-01-02   Price(USD): 570.0
GB 3377-1982 Multi frequency register signalling system for telephone antomatic switching network 
  Issued on: 1982-12-29   Price(USD): 270.0
GB 3376-1982 Inband pulsing single frequency line signalling system for telephone automatic switching network 
  Issued on: 1982-12-29   Price(USD): 224.0
GB 3380-1982 Ringing and tone for telephone automatic switching network 
  Issued on: 1982-12-29   Price(USD): 90.0
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