Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
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 abolished
YDJ 37-1981 Technical Specifications for Installation Engineering Construction and Acceptance of Urban Local Telephone Exchange Equipment 990.0 via email in 1~3 business day valid
YDC 009-2002 The Test Method of Switches for Fixed Subscribers to Select the Different LongDistance Network 675.0 via email in 1~3 business day valid
YD/T 772-1995 Technical Requirement and Test Method for Networking of Group Telephone Equipment 360.0 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
GB/T 17113-1997 Technical requirements and measuring methods for cordless telephone sets access to PSTN 300.0 via email in 1~5 business day abolished
YD/T 728-1994 Technical requirement and test method for telephone lightning protection 300.0 via email in 1~3 business day abolished
GB/T 15542-1995 Technical requirment of digital SPC automatic telephone exchange 1200.0 via email in 1~3 business day valid
YD/T 1349-2005 Technical Requirements and Testing Methods for 2.4GHzDigital Cordless Telephone Sets 315.0 via email in 1~5 business day valid
YD/T 1329-2004 Integrated Circuit for The overvoltage and overcurrent protection of telecommunications installations 255.0 via email in 1~3 business day valid
TB/T 3026.2-2002 Digital Conference Telephone Technical Specififcations for Control Terminal 105.0 via email in 1~3 business day valid
YD/T 1362-2005 Testing methods of the supplementary specification 1 to Store Program Control (SPC) 1545.0 via email in 1~10 business day valid
GB/T 15279-1994 The specifications of automatic telephone set 510.0 via email in 1~5 business day abolished
YD/T 1623-2007 Monitoring and control supervision system for telecom stations generic specification 240.0 via email in 1~3 business day abolished
GB/T 3973-1992 Crossbar switches 730.0 via email in 1~3 business day abolished
YD/T 940-1999 Semiconductor arrester for The over-voltage protection of telecommunications installations 165.0 via email in 1~3 business day valid
YDJ 50-1988 Technical Specifications for Installation Engineering Construction and Acceptance of Urban Local Telephone SPC Exchange Equipment 540.0 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
TB/T 3026.6-2002 Digital Conference Telephone Technical Specififcations and Test Methods for Test Transfer Trunk 105.0 via email in 1~3 business day valid
YD/T 1534-2006 Information Security Technical Requirements and Testing Methods for SPC Exchange 360.0 via email in 1~3 business day valid
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