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YD/T 1550.8-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network Iub Interface(Phase I)Part 8:User Plane Protocol for DCH Data Streams 330.0 via email in 1~3 business day valid
YDN 026-1997 Technical Requirements for SDH Transmission Network - Input Business and Maintainability Limit Value of SDH Digital Channel and Reuse Section 360.0 via email in 1~3 business day valid
GB/T 3971.3-1983 The test methods for the technical specifications of multi-frequency register signaling for telephone automatic switching network 90.0 via email in 1~3 business day valid
YD/T 1545.2-2007 Technical Specification for Uu Interface of 2GHz WCDMA Digital Cellular Mobile Communication Network Layer 2 (Phase Ⅰ) Part 2:RLC 795.0 via email in 1~3 business day valid
YD/T 1578-2007 Technical Requirements for High Rate Packet Data(HRPD)A Interface (Phase Ⅰ)in 2GHz cdma2000 Digital Cellular Mobile Communication Network 1095.0 via email in 1~10 business day superseded
YD/T 1546-2007 2GHz WCDA Digital Cellular Mobile Communication Network—Uu Interface Technical Specification of RRC 12000.0 via email in 1~3 business day valid
YD/T 1878.2-2009 800MHz/2GHz cdma2000 Digital Cell Mobile Communications Network (HRPD)Network Management Technical Specification Part 2:Performance Network Resource Model 240.0 via email in 1~3 business day valid
YD/T 1549-2007 Testing Methods for 2GHz WCDMA Iur Interface (Phase Ⅰ) 645.0 via email in 1~8 business day superseded
GB/T 7609-1995 General test method for transmission performance of PCM voice channel in telecommunication network 210.0 via email in 1~3 business day valid
GB/T 7254-1995 Performance and test methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 270.0 via email in 1~3 business day valid
GB/T 15838-2008 Test methods for the performances of switching equipment clocks in digital network 420.0 via email in 1~5 business day valid
YD/T 1552-2007 Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network RAN Equipment (Phase Ⅰ) 555.0 via email in 1~5 business day superseded
YDC 002-2001 Technical requiremnts and testing methods for CPN providing public telecommunication services 435.0 via email in 1~5 business day valid
YD/T 1062-2000 Switch ISDN user interface on line monitor function 180.0 via email in 1~3 business day valid
YD/T 1414-2007 Technical Specification for Security of 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Ⅱ) 1050.0 via email in 1~3 business day valid
YD/T 1878.3-2009 800MHz/2GHz cdma2000 Digital Cell Mobile Communications Network (HRPD) Network Management Technical Specification Part 3:Network Resource Model Design based CORBA 690.0 via email in 1~3 business day valid
YD/T 941-1997 ISDN user-network interface supplementay service comformance testing specification 2175.0 via email in 1~10 business day valid
YD/T 1570-2007 Technical Specification of 2GHz cdma2000 Digital Cellular Mobile Communication Network Mobile Application Part 3150.0 via email in 1~3 business day valid
YD/T 1863.2-2009 2GHz WCDMA Digital Cell Mobile Communications Network HSDPA Management Technical Specification Part 2:Performance Network Resource Model 150.0 via email in 1~3 business day valid
GB/T 11324-1995 Performance and test methods of the fourth order digital multiplex equimpent operating at 139264 kbit/s and using positive justification 270.0 via email in 1~3 business day valid
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