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YD/T 1418-2005 Technical Requirements for Access Network-Multi-Service Access Node(MSAN) (USD) via email in 1-3 business day ABOLISHED
SJ 20701.1-1998 The interconnection and interoperability of field electronic systems for combined group army X.25 interface for synchronous communication (USD) via email in 1-3 business day VALID
YD/T 1608-2007 Technical Requirements for Media Gateway Control Protocol(MGCP) via email in VALID please email coc@codeofchina.com for quotation
YD/T 1096-2001 Technical Specification for Low End Router Equipment (USD) via email in 1-8 business day VALID
GB/T 17153-2011 General principles for interworking between public networks and between public networks and other networks for the provision of data transmission services (USD) via email in 1-8 business day VALID
YD/T 1243.3-2002 Technical specification for media gateway equipment-integrated access media gateway (USD) via email in 1-10 business day VALID
YD/T 1980-2009 Technical requirements for Mg/Mi/Mj/Mk/Mw/Gm interface in IMS system in mobile communication network via email in VALID please email coc@codeofchina.com for quotation
YDC 008-2002 Test Method of Gateway in Fixed Network to Select the Different LongDistance Network (USD) via email in 1-5 business day VALID
YD/T 946-1998 TMN interface specification methodology (USD) via email in 1-3 business day VALID
YD/T 1548.1-2007 Testing Method for 2GHz WCDMA Digital Cellular Mobile Communication Network User Equipment (Phase Ⅱ) Part 1:Basic Function、Service and Performance Test via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1445-2006 Technical Requirements of Adaption Layer of No.7 Signalling Interworking with IP Message Transfer Part (MTP)Level 2 User Adaption Layer (USD) via email in 1-8 business day VALID
YD/T 1566-2007 Test Specifications for 2GHz cdma 2000 Digital Cellular Mobile Communication Network Equipment High Rate Packet Data (Phase Ⅰ)Access Network via email in VALID please email coc@codeofchina.com for quotation
YD/T 1443-2006 Technical Requirements of Generic Framing Procedure(GFP) (USD) via email in 1-5 business day ABOLISHED
YD/T 1146-2001 Access Network Management Interface Specification-General Transmission Part (USD) via email in 1-10 business day VALID
YD/T 1560-2007 Testing Method in 2GHz cdma2000 Digital Cellular Mobile Communication Network:A3/A7 Interface via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1574-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment:Packet Data Equipment via email in VALID please email coc@codeofchina.com for quotation
YD/T 1808-2008 Testing Methods for Access Network Equipment-2nd-generation Asymmetric Digital Subscriber line (ADSL 2)and Extended Bandwidth 2nd-generation Asymmetric Digital Subscriber Line (ADSL 2plus) (USD) via email in 1-8 business day VALID
YD/T 1185-2002 Access network technical specifications-Single-pair High bit rate Digital Subscriber Line(SHDSL) (USD) via email in 1-10 business day VALID
YDN 018-1996 (USD) via email in 1-8 business day
YD/T 1374.7-2007 Technical Requirements for Iu Interface of 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Ⅱ)Part 7:Service Area Broadcast Protocol(SBAP) via email in VALID please email coc@codeofchina.com for quotation
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