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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 2026-2009 The technical requirement and evaluation method for quality of IP telephony

    China Telecommunication - YD Standards
    YD/T 2025-2009 Architecture of internet application awareness system

    China Telecommunication - YD Standards
    YD/T 2024-2009 Technical requirements of increasing trunk capacity for internet connections

    China Telecommunication - YD Standards
    YD/T 2022-2009 Technical requirements for time synchronization equipment

    China Telecommunication - YD Standards
    YD/T 2021-2009 Security technology specification for mobile network management system

    China Telecommunication - YD Standards
    YD/T 2020-2009 Technical requirement for subscriber database (SDB) of PSTN

    China Telecommunication - YD Standards
    YD/T 2019.1-2009 Test method for broadband customer network equipment based on public telecommunication network. Part 1: Gateway

    China Telecommunication - YD Standards
    YD/T 2018-2009 Technical specification for multicast service management system interface

    China Telecommunication - YD Standards
    YD/T 2017-2009 Testing method for IPTV terminal-STB

    China Telecommunication - YD Standards
    YD/T 2016.3-2009 IPTV oss management interface technical specification. Part 3: Terminal

    China Telecommunication - YD Standards
    YD/T 2016.2-2009 IPTV OSS management interface technical specification. Part 2: Bearing network

    China Telecommunication - YD Standards
    YD/T 2016.1-2009 Technical specification for IPTV OSS management interface. Part 1: Service System

    China Telecommunication - YD Standards
    YD/T 2015-2009 Architecture for IPTV service management system

    China Telecommunication - YD Standards
    YD/T 2014-2009 Requirements of unified communications services

    China Telecommunication - YD Standards
    YD/T 2013-2009 Technical requirements of services based on the unified IMS. Malicious call identification (MCID) and anonymous communication rejection (ACR) service (Release 1)

    China Telecommunication - YD Standards
    YD/T 2011-2009 Technical requirements of services based on the unified IMS. Call waiting (CW) and call HOLD (HOLD) service (Release 1)

    China Telecommunication - YD Standards
    YD/T 2010-2009 Technical requirements of services based on the unified IMS multimedia conferencing service (Release 1)

    China Telecommunication - YD Standards
    YD/T 2009-2009 Technical requirement of services based on the unified IMS customized multimedia ringing service (Release 1)

    China Telecommunication - YD Standards
    YD/T 2008-2009 Technical requirement for services based on the unified IMS. Customized multimedia alerting service (Release 1)

    China Telecommunication - YD Standards
    YD/T 2007-2009 Function and architecture for the unified IMS (Release 1)

    China Telecommunication - YD Standards
    YD/T 2006-2009 Technical requirements and test methods of VMUX

    China Telecommunication - YD Standards
    YD/T 2005-2009 The technical specifications for optical transceivers of fiber channel

    China Telecommunication - YD Standards
    YD/T 2003-2009 Technical requirements for reconfigurable optical add multiplexing (ROADM) equipment

    China Telecommunication - YD Standards
    YD/T 2001.1-2009 Semiconductor optoelectronic devices for fibre optic system applications. Part 1: Specification template for essential rating and characteristics

    China Telecommunication - YD Standards
    YD/T 2000.2-2009 Integrated optical path devices based on planar lightwave circuit. Part 2: DWDM filter based on AWG technology

    China Telecommunication - YD Standards
    YD/T 1999-2009 Optical self-supporting micro-cables for outdoor telecommunication

    China Telecommunication - YD Standards
    YD/T 1998.2-2009 Technical specification of single fiber bi-directional subassembly for access network. Part 2: Optical subassembly for GPON

    China Telecommunication - YD Standards
    YD/T 1998.1-2009 Technical specification of single fiber bi-directional subassembly for access network. Part 1: Optical subassembly for EPON

    China Telecommunication - YD Standards
    YD/T 1997-2009 Bow-type drop cables for access network

    China Telecommunication - YD Standards
    YD/T 1996.2-2009 Technical requirements for access network very high speed digital subscriber line 2 (VDSL2). Part 2: Transceivers

    China Telecommunication - YD Standards

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