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Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED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 1329-2004 Integrated Circuit for The overvoltage and overcurrent protection of telecommunications installations 285 (USD) via email in 1-3 business day VALID
YD/T 543-1992 via email in ABOLISHED please email coc@codeofchina.com for quotation
SJ 2335-1983 Type designational system for private telephone equipment 30 (USD) via email in 1-3 business day ABOLISHED
YD/T 789-1995 240 (USD) via email in 1-3 business day ABOLISHED
YD/T 1512-2007 Testing Methods for 2GHz TD-SCDMA /WCDMA CS Video Telephony Service Terminal 435 (USD) via email in 1-3 business day VALID
YD/T 694-1993 via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1277.1-2003 Technical specification and testing method of caller identity delivery based on PSTN part 1:technical specification 420 (USD) via email in 1-3 business day
SJ 20864-2003 General specification for active ant-noise transmitter and receiver 210 (USD) via email in 1 business day VALID
YD/T 1046-2000 Interoperability Specification for IP Telephony Gateway 990 (USD) via email in 1-8 business day VALID
YD/T 954-1998 Technical requirements and test method of digital stored program control dispatching equipment 435 (USD) via email in 1-3 business day VALID
GB/T 17113-2008 The technical requirements and test methods for cordless telephone sets 240 (USD) via email in 1-3 business day VALID
GB/T 19516-2004 The specifications of wired-emergency telephone system of expressway via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YD/T 978-1998 Technical requirment and test method for digital queue equipment of PSTN 375 (USD) via email in 1-3 business day VALID
YDJ 7-1984 Specification for Installation Design of Crossbar System Urban Local Telephone Exchange Equipment 900 (USD) via email in 1 business day VALID
YD/T 694-2004 Main distribution frame 435 (USD) via email in 1-3 business day VALID
SJ 2334-1983 Type designational system for telephone switchboards 30 (USD) via email in 1-3 business day ABOLISHED
YDJ 37-1981 Technical Specifications for Installation Engineering Construction and Acceptance of Urban Local Telephone Exchange Equipment 990 (USD) via email in 1 business day VALID
YD/T 688-1994 105 (USD) via email in 1-3 business day
GB/T 17113-1997 Technical requirements and measuring methods for cordless telephone sets access to PSTN 345 (USD) via email in 1-3 business day ABOLISHED
YDN 067-1997 1320 (USD) via email in 1-10 business day ABOLISHED
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