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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 1235.1-2002 Performance requirements for surge protective devices connected to low-voltage distribution systems of telecommunication stations/sites

    China Telecommunication - YD Standards
    YD/T 1242-2002 900/1800MHz TDMA digital cellular mobile telecommunication network test methods for general packet radio service switching sub-system equipment

    China Telecommunication - YD Standards
    YD/T 1231-2002 Technical specification for call transfer services through fixed network exchange

    China Telecommunication - YD Standards
    YD/T 1230-2002 Technical specifications for police-use interfaces of 900/1800MHz TDMA digital cellular mobile communication system

    China Telecommunication - YD Standards
    YD/T 1219-2002 900/1800MHz TDMA digital cellular mobile telecommunications network test methods of GPRS(General Packet Radio Service) base station system and serving GPRS support node interface(Gb)

    China Telecommunication - YD Standards
    YD/T 1218-2002 900/1800MHz TDMA digital cellular mobile telecommunications network test methods of CAMEL Application Part (CAP) (CAMEL2):SCP part

    China Telecommunication - YD Standards
    YD/T 1217-2002 900/1800MHz TDMA digital cellular mobile telecommunications network test specification of CAMEL Application Part (CAP) (CAMEL2) (SSP part)

    China Telecommunication - YD Standards
    YD/T 1228-2002 900/1800MHz TDMA digital cellular mobile communication network GPRS(General Packet Radio Service) test methods of Tunnelling protocol

    China Telecommunication - YD Standards
    YD/T 1227-2002 The technical specification of multimedia IC card public telephone system

    China Telecommunication - YD Standards
    YD/T 1226-2002 Intelligent network Capability Set two(CS-2) Intelligent Network Application Protocol(INAP)

    China Telecommunication - YD Standards
    YD/T 741-2002 Specification of Positive Temperature Coefficient (PTC) thermistors for the over-current protection of communications installations

    China Telecommunication - YD Standards
    YD/T 1225-2002 800MHz CDMA digital cellular mobile communication network Wireless Intelligence Network(WIN). Phase 1:Equipment methods of Service of Service Control Point(SSP)

    China Telecommunication - YD Standards
    YD/T 1224-2002 800MHz CDMA digital cellular mobile communication network Wireless Intelligence Network(WIN). Phase 1:Equipment methods of Service of Service Switching Point(SSP)

    China Telecommunication - YD Standards
    YD/T 1223-2002 800MHz CDMA digital cellular mobile communication network Wireless Intelligence Network(WIN). Phase 1:Equipment technical specification of Service Switching Point(SSP)

    China Telecommunication - YD Standards
    YD/T 1222.1-2002 800MHz CDMA digital cellular mobile communication network message center equipment test method Part one: point to point SMS

    China Telecommunication - YD Standards
    YD/T 1221.1-2002 800MHz CDMA digital cellular mobile communication network message center equipment technical specification. Part one:point to point SMS

    China Telecommunication - YD Standards
    YD/T 1220-2002 800MHz CDMA digital cellular mobile communication network protocol technical specification for the interface of Extended Short Message Entities(ESMEs)and Message Centres (MCs)

    China Telecommunication - YD Standards
    YD/T 1213-2002 900/1800MHz TDMA digital cellular mobile telecommunications network test method for No.7 ISUP signallling

    China Telecommunication - YD Standards
    YD/T 1212-2002 900/1800MHz TDMA digital cellular mobile telecommunications network Technical specification for No.7 ISUP signallling

    China Telecommunication - YD Standards
    YD/T 1211-2002 900/1800MHz TDMA digital cellular mobile telecommunications network test method of service control point(SCP) equipment(CAMEL2)

    China Telecommunication - YD Standards
    YD/T 1210-2002 900/1800MHz TDMA digital cellular mobile telecommunications network test method of Service Switching Point(SSP) for CAMEL2

    China Telecommunication - YD Standards
    YD/T 1209-2002 900/1800MHz TDMA digital cellular mobile telecommunications network Technical requirement of Service Switching Point(SSP) for CAMEL2

    China Telecommunication - YD Standards
    YD/T 1208-2002 800MHz CDMA digital cellular mobile communication network Wireless Intelligence Network(WIN). Phase 1:Technical specification of interface

    China Telecommunication - YD Standards
    YD/T 1207-2002 800MHz CDMA digital cellular mobile communication network Wireless Intelligence Network(WIN). Phase 1:technical specification of prepaid charging service

    China Telecommunication - YD Standards
    YD/T 1206-2002 800MHz CDMA digital cellular mobile network No.7 ISUP Signalling Test Method

    China Telecommunication - YD Standards
    YD/T 1203-2002 Technical specification of signalling gateway for No.7 signalling and IP

    China Telecommunication - YD Standards
    YD/T 1202-2002 The technical specification of interaction between intelligent network capability set 1(CS-1) INAP and No.7 signalling ISUP

    China Telecommunication - YD Standards
    YD/T 1201-2002 Services and basic function requirements for IN CS-2

    China Telecommunication - YD Standards
    YD/T 1200-2002 Technical condition of the type of MU single-mode optical fiber connector

    China Telecommunication - YD Standards
    YD/T 1199.2-2002 Technical requirements of SDH optical transmitter/optical receiver modules. SDH 10Gb/s optical transmitter modules

    China Telecommunication - YD Standards

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