YD/T 1258.3-2009.The series of indoor optical fibre cables Part 3: simplex and duplex cable for use in premises cabling. 1范围 YD/T 1258.3规定了房屋布线用单芯和双芯光

YD/T 1217-2002.900/1800MHz TDMA digital cellular mobile telecommunication network test specification of CAMEL Application Part (CAP)(CAMEL2)(SSP part)

YD/T 1219-2002.900/1800MHz TDMA digital cellular mobile communication network test method of GPRS(General Packet Radio Service)base station system and

YD/T 1220-2002.800MHz CDMA digital cellular mobile communication network protocol technical specification for the interface of 1 Extended Short M Tess

YD/T 1221.1-2002.800MHz CDMA digital cellular mobile communication network message center equipment technical specification Part one :point to point S

YD/T 1223-2002.800MHz CDMA digital cellular mobile communication network Wireless Intelligence Network (WIN) phase1 : equipment technical specificatio

YD/T 1224-2002.800MHz CDMA digital cellular mobile communication network Wireless Intelligence Network (WIN) Phase1 : Equipment test methods of Servic

YD/T 1225-2002.800MHz CDMA digital cellular mobile communication network Wireless Intelligence Network (WIN) Phase 1: Equipment test methods of Servic

YD/T 1226-2002.Intelligent network Capabillity Set two (CS-2) Intelligent Network Application Protocol (INAP). 1范围 YD/T 1226规定了支持智能网能力集2所需的智能网应用规程(INA

YD/T 1227-2002.The technical specification of multimedia IC card public telephone system. 1范围 YD/T 1227规定了多媒体IC卡公用电话系统的定义及其组成框架;规定了系统中终端、管理中心、通信协议及计费模