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    YD/T 1531-2006 Test Method for Access Network Equipment. Passive Optical Network Based on Ethernet(EPON)

    China Telecommunication - YD Standards

    YD/T 1520-2006 Interoperability Specification and test measurement for H.323 based VoIP accessing equipment

    China Telecommunication - YD Standards

    YD/T 1514-2006 Distance Learning Communications Platform Technical Requirement for the System of User Access Authentication, Authorization and Accounting

    China Telecommunication - YD Standards

    YD/T 1289.4-2006 Synchronous Digital Hierarchy (SDH)transport network management system technical specification. Part 4: EMS-NMS Interface Function

    China Telecommunication - YD Standards

    YD/T 1536.1-2006 Requirements and Messagement Methods of Electromagnetic Information Security for Telecommunications Equipment. Part 1: Information Leakage of Electromagnetic Radiation

    China Telecommunication - YD Standards

    YD/T 1519-2006 Interoperability Specification and Test Measurement for VoIP Accessing Equipment based on MGCP

    China Telecommunication - YD Standards

    YD/T 1515-2006 Technical Specification for IPv6 Routing Protocol. Intermediate System to Intermediate System Intra-domain Routing Information Exchange Protocol (IS-IS)for IPv6 Routing Protocol

    China Telecommunication - YD Standards

    YD/T 1540-2006 Testing Methods for Overvoltages and Overcurrents Resistibility of Telecommunication Equipments

    China Telecommunication - YD Standards

    YD/T 1534-2006 Information Security Technical Requirements and Testing Methods for SPC Exchange

    China Telecommunication - YD Standards

    YD/T 1542-2006 Technical Requirements and Testing Methods for Surge Protective Devices of Signaling Networks

    China Telecommunication - YD Standards

    YD/T 1525-2006 Testing Methods for Internet Filtering Device According to Domain Name and IP Address

    China Telecommunication - YD Standards

    YD/T 1460.4-2006 Telecommunication microduct optical fibre cables and fibre units for installation by blowing. Part 4: Microduct optical fibre cables

    China Telecommunication - YD Standards

    YD/T 1527-2006 Technical requirements and test methods for optoelectronic(wavelength/mode)converter

    China Telecommunication - YD Standards

    YD/T 1071-2006 Technical requirements for IP telephony gateway

    China Telecommunication - YD Standards

    YD/T 1537-2006 Generic Requirements for Telecommunications System Outdoor Cabinets

    China Telecommunication - YD Standards

    YD/T 1460.2-2006 Telecommunication microduct optical fibre cables and fibre units for installation by blowing. Part 2: Outer protective ducts

    China Telecommunication - YD Standards

    YD/T 1521-2006 Testing Specification Routing Rrotocol Interoperability

    China Telecommunication - YD Standards

    YD/T 1513-2006 VSAT Satellite Communication Network/Systems Technical Requirement for the Rural Area

    China Telecommunication - YD Standards

    YD/T 1526.1-2006 Technical specifications of single fiber Bi-Directional Triplexer optical Transceiver for access network. Part 1: single fiber Bi-Directional Triplexer optical Transceiver for BPON ONU

    China Telecommunication - YD Standards

    YD/T 1522.1-2006 Technical Requirements for Session Initiation Protocol. Part 1: Basic Session Initiation Protoc

    China Telecommunication - YD Standards

    YD/T 1539-2006 Technical Requirements and Testing Methods for Reliability of Mobile Telecommunication Handset

    China Telecommunication - YD Standards

    YD/T 1524-2006 Technical Requirements for Internet Filtering According to Domain Name and IP Address

    China Telecommunication - YD Standards

    YD/T 1535-2006 Technical Requirements of Equipment Security for PSTN. Calling Number Information

    China Telecommunication - YD Standards

    YD/T 1072-2006 Testing method for IP telephony gateway

    China Telecommunication - YD Standards

    YD/T 1532-2006 Test Specification for IAD Based on Softswitch

    China Telecommunication - YD Standards

    YD/T 789-2006 Technical Requirements and Measuring Methods of Hands-Free Telephone Sets

    China Telecommunication - YD Standards

    YD/T 1518-2006 Interoperability Specification and Test Measurement for VoIP Accessing Equipment Based H.248

    China Telecommunication - YD Standards

    YD/T 1517-2006 Testing Method for Intelligent Terminal Equipment based on IP:IP Telephone Terminal

    China Telecommunication - YD Standards

    YD/T 1516-2006 Technical Requirements for Interlligent Terminal Equipment based on IP:IP Telephone Terminal

    China Telecommunication - YD Standards

    YD/T 1589-2006 The Test Methods for Interworking Gateway in Point to Point Short Message Interworking

    China Telecommunication - YD Standards

    YD/T 1460.3-2006 Telecommunication microduct optical fibre cables and fibre units for installation by blowing. Part 3: Microducts, microduct bundles and microduct accessories

    China Telecommunication - YD Standards

    YD/T 1538-2006 Technical Requirements and Testing Methods for Acoustics Performance of Digital Mobile Terminal

    China Telecommunication - YD Standards

    YD/T 1522.3-2006 Technical Requirements for Session Initiation Protocol. Part 3: Interworking between ISUP and SIP

    China Telecommunication - YD Standards

    YD/T 1588.1-2006 Measurement methods for characteristics of optical fibre cable line. Part 1: Link attenuation

    China Telecommunication - YD Standards

    YD/T 1588.2-2006 Measurement methods for characteristics of optical fibre cable line. Part 2: Optical fibre splice loss

    China Telecommunication - YD Standards

    YD/T 1529-2006 Technical conditions for optical fiber line auto switch Protection equipment

    China Telecommunication - YD Standards

    YD/T 1541-2006 Technical Requirements and Testing Methods for Overvoltage and Overcurrent of IDC Terminations

    China Telecommunication - YD Standards

    YD/T 1533.1-2006 Technical Requirements for Session Initiation Protocol. Part 1: Basic Session Initiation Protocol

    China Telecommunication - YD Standards

    YD/T 1590-2006 The Technical Requirement of Echo and Echo Control for Inter. Public Telecom Network

    China Telecommunication - YD Standards

    YD/T 1522.2-2006 Technical Requirements for Session Initiation Protocol Part 2: Applications about call control based on SIP

    China Telecommunication - YD Standards

    YD/T 1523-2006 Testing Methods to Session Initiation Protocol Server

    China Telecommunication - YD Standards

    HG/T 3803-2005 Photographic chemical 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate

    China Chemical Industry - YD Standards

    SY/T 6664-2006 Diesel hydraulic coupling set for oil drilling rigs

    China Oil & Gas Industry - YD Standards

    GB/T 2900.45-2006 Electrotechnical terminology - Hydroelectric powerplant machinery

    China National - YD Standards

    GB/T 672-2006 Chemical reagent - Magnesium chloride hexahydrate

    China National - YD Standards

    GB/T 637-2006 Chemical reagent - Sodium thiosulfate pentahydrate

    China National - YD Standards

    GB/T 622-2006 Chemical reagent - Hydrochloric acid

    China National - YD Standards

    GB/T 6730.45-2006 Iron ores - Determination of arsenic content - Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation

    China National - YD Standards

    GB/T 20568-2006 Metallic materials - Tube ring hydraulic pressure test

    China National - YD Standards

    DL/T 5330-2005 Code for mix design of hydraulic concrete

    China Electricity & Power - YD Standards

    YD/T 1499-2006 Technical Requirements of Multimedia Messaging Service Center in Digital Cellular Mobile Telecommunication Network

    China Telecommunication - YD Standards

    YD/T 1498-2006 Interface Technical Requirements of MMS in Digital Cellular Mobile Telecommunication Network

    China Telecommunication - YD Standards

    GB/T 20507-2006 Spherical nickel hydroxide

    China National - YD Standards

    YD/T 1494-2006 Digital Cellular Mobile Telecommunication Network Service Technical Specification for Mobile Streaming Server

    China Telecommunication - YD Standards

    YD/T 1394-2006 Technical requirements of GSM/CDMA 1xdual mode digital mobile station

    China Telecommunication - YD Standards

    YD/T 1500-2006 Testing Methods of Multimedia Messaging Service Center in Digital Cellular Mobile Telecommunication Network

    China Telecommunication - YD Standards

    YD/T 1493-2006 Testing Methods of WAP Terminal in Digital Cellular Mobile Telecommunication Network

    China Telecommunication - YD Standards

    YD/T 1497-2006 Digital Cellular Mobile Telecommunication Network Service Testing Specification for Mobile Streaming Terminal

    China Telecommunication - YD Standards

    YD/T 1496-2006 Digital Cellular Mobile Telecommunication Network Service Technical Specification for Mobile Streaming Terminal

    China Telecommunication - YD Standards

    YD/T 1501-2006 Digital Cellular Mobile Telecommunication Network Specification for Multimedia Message Service Terminal Equipment

    China Telecommunication - YD Standards

    YD/T 1487-2006 400/1800MHz SCDMA radio access system technical requirement

    China Telecommunication - YD Standards

    YD/T 1489-2006 General Technical Requirements of Mobile Streaming Service in Digital Cellular Mobile Telecommunication Network

    China Telecommunication - YD Standards

    YD/T 1495-2006 Digital Cellular Mobile Telecommunication Network Service Testing Specification for Mobile Streaming Server

    China Telecommunication - YD Standards

    YD/T 1502-2006 Digital Cellular Mobile Telecommunication Network Testing Specification for Multimedia Message Service Terminal Equipment

    China Telecommunication - YD Standards

    YD/T 1491-2006 Testing Requirement for Mobile Termination Supporting J2ME

    China Telecommunication - YD Standards

    YD/T 1488-2006 400/1800MHz SCDMA radio access system: test method

    China Telecommunication - YD Standards

    YD/T 1492-2006 Technical Requirements of WAP Terminal in Digital Cellular Mobile Telecommunication Network

    China Telecommunication - YD Standards

    YD/T 1448-2006 General Technical Requirements for Broadband Customer Network Based on Telecommunication Network

    China Telecommunication - YD Standards

    YD/T 1449.1-2006 Equipment Technical Requirements for Broadband Customer Network Based on Telecommunication Network. Part 1: Gateway

    China Telecommunication - YD Standards

    YD/T 1490-2006 The Technical Requirements for Mobile Termination Supporting J2ME

    China Telecommunication - YD Standards

    YD/T 1395-2006 Testing methods of GSM/CDMA 1x dual mode digital mobile station

    China Telecommunication - YD Standards

    YDC 041-2006 Test Specification of Mobile Station Part Volume Ⅲ Network Compatibility Test for 800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network

    China Telecommunication - YD Standards

    GB/T 11200.1-2006 Sodium hydroxide for industrial use - Determination of sodium chlorate content - O-Tolidine spectrometric method

    China National - YD Standards

    GB/T 11199-2006 High - purity sodium hydroxide

    China National - YD Standards

    GB/T 1509-2006 Manganese ores - Determination of silicon content - Perchloric acid dehydration gravimetric method

    China National - YD Standards

    GB/T 20603-2006 Refrigerated light hydrocarbon fluids - Sampling of liquefied natural gas - Continuous method

    China National - YD Standards

    GB/T 6906-2006 Methods for analysis of water for boiler and for cooling - The determination of hydrazine

    China National - YD Standards

    GB/T 12148-2006 Analysis of water used in boiler and cooling system - Determination of total silicon - Photometric method by conversion with hydrofluoric acid for low silicon

    China National - YD Standards

    GB/T 1263-2006 Chemical reagent - Disodium hydrogen phosphate dodecahydrate

    China National - YD Standards

    GB/Z 20423-2006 Hydraulic fluid power―Assembled systems―Verification of cleanliness

    China National - YD Standards

    GB/T 20421.3-2006 Hydraulic fluid power―Determination of chracteristics of motors―Part 3: At constant flow and at constant torque

    China National - YD Standards

    GB/T 8100-2006 Hydraulic fluid power―Pressure-reducing valves,sequence valves,unloading valves,throttle valves and check valves―Mounting surfaces

    China National - YD Standards

    GB/T 20421.2-2006 Hydraulic fluid power―Determination of chracteristics of motors―Part 2: Startability

    China National - YD Standards

    GB/T 20421.1-2006 Hydraulic fluid power―Determination of characteristics of motors―Part 1: At constant low speed and at constant pressure

    China National - YD Standards

    YDN 139-2006 Test Methods of Internet Parental Control Software Based on PC

    China Telecommunication - YD Standards

    YDN 138-2006 Technical Requirements of Internet Parental Control Software Based on PC

    China Telecommunication - YD Standards

    TB/T 2059.1-2006 Methods for analysis of diesel locomotive collants. Part 1: Determination of disodium tetraborate decahydrate

    China Railway & Train - YD Standards

    GB/T 3781.8-2006 Acetylene black―Part 8: Determination of hydrochloric acid absorption number

    China National - YD Standards

    YD/T 5027-2005 Design Specification on the Engineering of Centralized Monitoring & Control System for Telecommunication Power Supply

    China Telecommunication - YD Standards

    YD 5125-2005 Provisional Specification Speeification of Installation Engineering for Communication Equipment

    China Telecommunication - YD Standards

    YD 5098-2005 Specificaitons of engineering design for lightning protection and earthing design for telecommunication bureaus (stations)

    China Telecommunication - YD Standards

    YD 5050-2005 Specifications of Engineering Design for the Domestic Satellite Communication Earth Station

    China Telecommunication - YD Standards

    YD 5124-2005 Provisional Specification of Generic Cabling System Engineering

    China Telecommunication - YD Standards

    YD/T 5088-2005 Specifications of Engineering Design for SDH Microwave Relay Telecommunication System

    China Telecommunication - YD Standards

    YD 5054-2005 Standard for classification of seismic protection of telecommunication buildings

    China Telecommunication - YD Standards

    YD 5072-2005 Supervision Specification of Telecommunications Conduit and Cable Channel Engineering

    China Telecommunication - YD Standards

    YD/T 5017-2005 Specification of Execution and Acceptance of Equipment Installation Engineering for Domestic Satellite Communication Earth Station

    China Telecommunication - YD Standards

    YD 5086-2005 Supervision Specification of Installation Engineering for Digital Mobile Communication Equipment (TDMA)

    China Telecommunication - YD Standards

    YD 5091-2005 Specification for Seismic Test of Optical Transmissions Equipment

    China Telecommunication - YD Standards

    YD/T 5067-2005 Specifications on Engineering Acceptance for 900/1800MHz TDMA Digital Cellular Mobile Communication System

    China Telecommunication - YD Standards


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