2025-12-13 216.73.216.3
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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 4163-2022 Technical Requirements for Non-Telecom Operators to Support Number Portability 195.0 via email in 1~3 business day valid,,2023-1-1
YD/T 4161-2022 User Interface and Procedure Requirements for Number Portability 300.0 via email in 1~5 business day valid,,2023-1-1
YD/T 4158-2022 Technical requirements of network interworking for number portability 330.0 via email in 1~5 business day valid,,2023-1-1
GB/T 40657-2021 Public telecom network—Test methods for smart home application 630.0 via email in 1~5 business day valid,,2022-5-1
GB/T 29198-2012 Technical requirements of adaptation layer of No.7 signalling interworking with IP—MTP2 peer-to-peer adaptation layer 480.0 via email in 1~3 business day valid,,2013-6-1
DB50/ 469-2012 via email in business day valid,,2013-5-1
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 28510-2012 Technical specification of stream control transmission protocol 990.0 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 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 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 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 28524-2012 Media Gateway Control Protocol(MGCP) 1260.0 via email in 1~5 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
YD/T 2042-2009 IPv6 network equipment security requirements——Ethernet switch with routing capability 240.0 via email in 1~3 business day valid,,2010-1-1
YD/T 1936-2009 Technical Requirements for Session Description Protocol 480.0 via email in 1~3 business day valid,,2009-9-1
YD/T 1522.31-2009 Technical Requirements for Session Initiation Protocol Part 3 Interworking between ISUP and SIP-Supplement 1 180.0 via email in 1~3 business day valid,,2009-9-1
YD/T 1918-2009 Test Methods for the Adaptation Layer of ISDN Signalling Interworking with IP 750.0 via email in 1~3 business day valid,,2009-9-1
YD/T 1919-2009 Test Methods for V5.2 User Adaptation Layer 180.0 via email in 1~3 business day valid,,2009-9-1
YD/T 1938.2-2009 Test method for Session Initiation Protocol (SIP) Part 2:SIPs Applications about Call Control Basedon Softswitch Network 780.0 via email in 1~3 business day valid,,2009-9-1
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YD/T 4163-2022 Technical Requirements for Non-Telecom Operators to Support Number Portability 
  Issued on: 2022-9-30   Price(USD): 195.0
YD/T 4161-2022 User Interface and Procedure Requirements for Number Portability 
  Issued on: 2022-9-30   Price(USD): 300.0
YD/T 4158-2022 Technical requirements of network interworking for number portability 
  Issued on: 2022-9-30   Price(USD): 330.0
GB/T 40657-2021 Public telecom network—Test methods for smart home application  
  Issued on: 2021-10-11   Price(USD): 630.0
GB/T 29198-2012 Technical requirements of adaptation layer of No.7 signalling interworking with IP—MTP2 peer-to-peer adaptation layer 
  Issued on: 2012-12-31   Price(USD): 480.0
DB50/ 469-2012  
  Issued on: 2013-03-01   Price(USD):
GB/T 14733.4-2012 Terminology for telecommunication switching and signalling in telecommunication 
  Issued on: 2012-11-5   Price(USD): 870.0
GB/T 28510-2012 Technical specification of stream control transmission protocol 
  Issued on: 2012-6-29   Price(USD): 990.0
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 28502-2012 Technical requirement of interworking between No.7 signalling and IP 
  Issued on: 2012-6-29   Price(USD): 600.0
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 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 28524-2012 Media Gateway Control Protocol(MGCP) 
  Issued on: 2012-6-29   Price(USD): 1260.0
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
YD/T 2042-2009 IPv6 network equipment security requirements——Ethernet switch with routing capability 
  Issued on: 2009-12-11   Price(USD): 240.0
YD/T 1936-2009 Technical Requirements for Session Description Protocol 
  Issued on: 2009-6-15   Price(USD): 480.0
YD/T 1522.31-2009 Technical Requirements for Session Initiation Protocol Part 3 Interworking between ISUP and SIP-Supplement 1 
  Issued on: 2009-6-15   Price(USD): 180.0
YD/T 1918-2009 Test Methods for the Adaptation Layer of ISDN Signalling Interworking with IP 
  Issued on: 2009-6-15   Price(USD): 750.0
YD/T 1919-2009 Test Methods for V5.2 User Adaptation Layer 
  Issued on: 2009-6-15   Price(USD): 180.0
YD/T 1938.2-2009 Test method for Session Initiation Protocol (SIP) Part 2:SIPs Applications about Call Control Basedon Softswitch Network 
  Issued on: 2009-6-15   Price(USD): 780.0
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