China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 2474-2013 Up converte/Down converter for satellite communication earth station equipment technical requirement

    China Telecommunication - YD Standards
    YD/T 2473-2013 High power amplifier for satellite communication earth station equipment technical requirement

    China Telecommunication - YD Standards
    YD/T 2472-2013 Low noise amplifier for satellite communication earth station equipment technical requirement

    China Telecommunication - YD Standards
    YD/T 2471-2013 General requirements on WAN based remote measurement and control applications for intelligent agriculture

    China Telecommunication - YD Standards
    YD/T 2470-2013 Intservice requirement for 2GHz TD-SCDMA cellular network based service in rural areas

    China Telecommunication - YD Standards
    YD/T 2541-2013 Technical requirements of emergency sessions services based on the unified IMS(Release 1)

    China Telecommunication - YD Standards
    YD/T 2540.1-2013 Technical requirements for priority calls in public telecommunication network. Part 1: GSM/TD-SCDMA/WCDMA network

    China Telecommunication - YD Standards
    YD/T 2539-2013 Supplementary technical requirements and test method for the quality of service of peer to peer short message interworking between networks

    China Telecommunication - YD Standards
    YD/T 2538-2013 Test method of the transact flow for number portability

    China Telecommunication - YD Standards
    YD/T 2537-2013 Test method for number portability service

    China Telecommunication - YD Standards
    YD/T 2536-2013 Test specification of CSMS of number portability

    China Telecommunication - YD Standards
    YD/T 2535-2013 Internetwork number portability centralized business management systems and business systems interface protocol testing methods accepted

    China Telecommunication - YD Standards
    YD/T 2534-2013 Test method for the protocol of the Interface between CSMS and LSMS for number protabality

    China Telecommunication - YD Standards
    YD/T 2533-2013 Technical requirements for the protocol of the interface between CSMS an SOA/LSMS for number portabality

    China Telecommunication - YD Standards
    YD/T 2532-2013 Technical requirement of CSMS of number portability

    China Telecommunication - YD Standards
    YD/T 2531-2013 900MHz/1800MHz TDMA digital cellular mobile telecommunication network digital repeater network management interface technical requirements

    China Telecommunication - YD Standards
    YD/T 2530-2013 Test mothods for 900MHz/1800MHz TDMA digital cellular mobile telecommunication network digital repeater network management interface

    China Telecommunication - YD Standards
    YD/T 2529-2013 Technical requirements and test methods for digital microwave telecommunication equipments and systems of synchronous digital hierarchy(SDH)

    China Telecommunication - YD Standards
    YD/T 2528-2013 Technical requirements and test methods for digital microwave telecommunication equipments and systems using spread spectrum modulation techniques

    China Telecommunication - YD Standards
    YD/T 2527-2013 Test methods for digital cellular mobile telecommunication network web gateway

    China Telecommunication - YD Standards
    YD/T 2526-2013 Technical requirements for digital cellular mobile telecommunication network web gateway

    China Telecommunication - YD Standards
    YD/T 2468-2013 General service platform technical requirements for 2GHz TD-SCDMA cellular network based service in rural areas

    China Telecommunication - YD Standards
    YD/T 2466.1-2013 Technical specification of general function for communication resource management system. Part 1: network and service resource management

    China Telecommunication - YD Standards
    YD/T 2465-2013 Based on Representational State Transfer (REST) ??technology business capabilities open application program interface (API) microblogging service

    China Telecommunication - YD Standards
    YD/T 2464-2013 RESTful based service capability open API-search

    China Telecommunication - YD Standards
    YD/T 2463-2013 Technical requirements of unified IMS network for supporting IPv6

    China Telecommunication - YD Standards
    YD/T 2462-2013 Technical requirements of sottswitch network for supporting IPv6

    China Telecommunication - YD Standards
    YD/T 2460-2013 Test method of services based on the Unified IMS multimedia ring back tone(Release 1)

    China Telecommunication - YD Standards
    YD/T 2459-2013 Test method of services based on the Unified IMS. IP Centrex service

    China Telecommunication - YD Standards
    YD/T 2458-2013 Test method of services based on the unified IMS customized multimedia ringing (Release 1)

    China Telecommunication - YD Standards

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