Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YD/T 1686-2007 Speech Quality and Transmission Performance Requirements and Testing Methods for IP Telephony Terminal Equipment 390.0 via email in 1~5 business day superseded
YD/T 1650-2007 Technical Specification for the Non-realtime Transportation of IP Fax Data 450.0 via email in 1~3 business day valid
YD/T 2059-2009 Expected surges on telecommunications and signalling networks due to lightning 390.0 via email in 1~3 business day valid
YD/T 1889-2009 The Requirements of Hearing Aids Compatibility and Measurement Methods for Telephone Handset 210.0 via email in 1~3 business day valid
YD/T 1884-2009 Sound Pressure Level Limit Requirement and Measurement Method of Telecommunication & Information Terminal Equipment via email in business day abolished
YD/T 1890-2009 Technical Requirements and Evaluation Methods for Assistive Technology of Information Accessibility in Information Terminals 360.0 via email in 1~3 business day valid
YD/T 1361-2005 Technical requirements and testing methods for telephone dialer 225.0 via email in 1~3 business day valid
CCEC/T 24-2003 Technical specifications for energy conservation product certification for faxes 90.0 via email in 1~3 business day valid
YD/T 1512-2007 Testing Methods for 2GHz TD-SCDMA /WCDMA CS Video Telephony Service Terminal 390.0 via email in 1~3 business day valid
YD/T 1308-2004 The technical requirements of intelligent public telephone system 915.0 via email in 1~10 business day valid
T/ITS 0001-2014 The Standard of the communication technology for Gateway Terminal of operating vehicles via email in business day valid
YD/T 992-2006 Technical Requirements and Testing Methods of Telephone Additional Functions 150.0 via email in 1~3 business day valid
YD/T 0001-2003 The requirements for qualification of mobile and fixed telephone service 150.0 via email in 1~3 business day valid
YD/T 789-2006 Technical Requirements and Measuring Methods of Hands-Free Telephone Sets 240.0 via email in 1~3 business day valid
YD/T 1607-2007 Technical Requirements and Test Methods for Visual Transmission Characteristics of Mobile Terminal 375.0 via email in 1~5 business day abolished
YD/T 1434-2006 General Technical Requirements for Softswitch Equipments 1110.0 via email in 1~3 business day valid
YD/T 1103-2001 Requirements and Measurement Methods of Electromagnetic Compatibility for Cordless Telephone 240.0 via email in 1~3 business day superseded
GB/T 17113-2008 The technical requirements and test methods for cordless telephone sets 240.0 via email in 1~3 business day valid
GB/T 19558-2004 General specifications for integrated circuit(IC) card payphone and sytem 600.0 via email in 1~3 business day valid
YD/T 1227-2002 The technical specification of multimedia IC card public telephone system 825.0 via email in 1~8 business day valid
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