2024-11-22 3.144.45.187
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
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 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 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 3380-1982 Ringing and tone for telephone automatic switching network 90.0 via email in 1~3 business day valid,,1983-10-1
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/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/T 14733.4-2012 Terminology for telecommunication switching and signalling in telecommunication 870.0 via email in 1~3 business day valid,,2013-2-1
GB/T 28500-2012 Technical requirements of 900/1 800 MHz TDMA digital cellular mobile network signaling system No.7 ISUP 1740.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28502-2012 Technical requirement of interworking between No.7 signalling and IP 600.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28503-2012 Technical requirements of adaptation layer of No.7 signalling interworking with IP MTP2 user adaptation layer 810.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28505-2012 Technical specification of national No.7 signalling system 2 Mbit/s high speed link 330.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28506-2012 Technical specification for national No.7 signalling system—GSM mobile telephone user part (MTUP) 990.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28510-2012 Technical specification of stream control transmission protocol 990.0 via email in 1~3 business day valid,,2012-10-1
GB/T 28524-2012 Media Gateway Control Protocol(MGCP) 1260.0 via email in 1~8 business day valid,,2012-10-1
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
SL 417-2016 300.0 via email in 1~3 business day valid,,2016-10-22
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
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 1239-2002 Access Network Technical Specifications-Very-high-speed Digital Subscriber Line 2250.0 via email in 1~10 business day valid,,2002-11-8
YD/T 1296-2003 Technical specification for public IP voice switch 390.0 via email in 1~5 business day valid,,2003-12-30
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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 3377-1982 Multi frequency register signalling system for telephone antomatic switching network 
  Issued on: 1982-12-29   Price(USD): 270.0
GB 3379-1982 Interoffice direct signalling system for telephone automatic switching network 
  Issued on: 1982-01-02   Price(USD): 570.0
GB 3380-1982 Ringing and tone for telephone automatic switching network 
  Issued on: 1982-12-29   Price(USD): 90.0
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/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/T 14733.4-2012 Terminology for telecommunication switching and signalling in telecommunication 
  Issued on: 2012-11-5   Price(USD): 870.0
GB/T 28500-2012 Technical requirements of 900/1 800 MHz TDMA digital cellular mobile network signaling system No.7 ISUP 
  Issued on: 2012-6-29   Price(USD): 1740.0
GB/T 28502-2012 Technical requirement of interworking between No.7 signalling and IP 
  Issued on: 2012-6-29   Price(USD): 600.0
GB/T 28503-2012 Technical requirements of adaptation layer of No.7 signalling interworking with IP MTP2 user adaptation layer 
  Issued on: 2012-6-29   Price(USD): 810.0
GB/T 28505-2012 Technical specification of national No.7 signalling system 2 Mbit/s high speed link 
  Issued on: 2012-6-29   Price(USD): 330.0
GB/T 28506-2012 Technical specification for national No.7 signalling system—GSM mobile telephone user part (MTUP) 
  Issued on: 2012-6-29   Price(USD): 990.0
GB/T 28510-2012 Technical specification of stream control transmission protocol 
  Issued on: 2012-6-29   Price(USD): 990.0
GB/T 28524-2012 Media Gateway Control Protocol(MGCP) 
  Issued on: 2012-6-29   Price(USD): 1260.0
GF 018-1995 Numbering for automatic telephone in public phone network 
  Issued on: 1996-01-01   Price(USD): 190.0
SL 417-2016  
  Issued on: 2016-07-22   Price(USD): 300.0
YD/T 1193.1-2002 Bearer independent call control specification-Part 1:functional of BICC 
  Issued on: 2002-06-21   Price(USD): 160.0
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 1239-2002 Access Network Technical Specifications-Very-high-speed Digital Subscriber Line 
  Issued on: 2002-11-08   Price(USD): 2250.0
YD/T 1296-2003 Technical specification for public IP voice switch 
  Issued on: 2003-12-30   Price(USD): 390.0
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