M16 信息传输指标 标准查询与下载

ITU-T T.808 CORR 1-2007 信息技术-JPEG 2000图像编码系统:交互工具、应用程序接口和协议技术勘误1

In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agency.

Information technology JPEG 2000 image coding system: Interactivity tools APIs and protocols Technical Corrigendum 1

ITU-T X.509 CORR 1-2007 信息技术.开式系统互连.人名地址录:校验结构

This extension may, at the option of the certificate issuer, be either critical or non-critical. It is recommended that it be flagged critical, otherwise a certificate user may not check that subsequent certificates in a certification path are located

Information technology ?Open Systems Interconnection ?The Directory: Public-key and attribute certificate frameworks Technical Corrigendum 1 Study Group 17

ITU-T T.30 AMD 1 FRENCH-2007 一般交换电话网络传真发送文件的程序.修改件1:从V.34退出时静默时间的延长.16号研究组

This Recommendation defines the procedures used by Group 3 facsimile terminals as defined in ITU-T Rec. T.4. These procedures enable documents to be transmitted on the general switched telephone network, international leased circuits and the Integrated Services Digital Network (ISDN). Further, these procedures allow communication to be manual or automatic and for document transmission to be requested alternatively with telephone conversation.

Procedures for document facsimile transmission in the general switched telephone network Amendment 1: Extension of silence period during fallback from V.34

ITU-T T.30 AMD 1 SPANISH-2007 一般交换电话网络传真发送文件的程序.修改件1:从V.34退出时静默时间的延长.16号研究组

This Recommendation defines the procedures used by Group 3 facsimile terminals as defined in ITU-T Rec. T.4. These procedures enable documents to be transmitted on the general switched telephone network, international leased circuits and the Integrated Services Digital Network (ISDN). Further, these procedures allow communication to be manual or automatic and for document transmission to be requested alternatively with telephone conversation.

Procedures for document facsimile transmission in the general switched telephone network Amendment 1: Extension of silence period during fallback from V.34

ITU-R M.493-12-2007 海上移动业务使用的数字选择性呼叫系统

This Recommendation describes the digital selective-calling (DSC) system for use in the maritime mobile service covering general purpose and simplified versions of DSC equipment. A description of a generalized user interface as well as an automated proced

Digital Selective-Calling System for Use in the Maritime Mobile Service

ITU-R P.1238-5-2007 对于智能网能力集3的接口建议:SDF-SDF接口

Propagation prediction for indoor radio systems differs in some respects from that for outdoor systems.

Propagation data and prediction methods for the planning of indoor radiocommunication systems and radio local area networks in the frequency range 900 MHz to 100 GHz Question ITU-R 211/3

ITU-R P.1321-2-2007 在低频和中频频段中影响使用数字调制技术系统的传播因素

This Recommendation provides information on the characteristics of LF and MF ground-wave and sky-wave propagation which may affect the use of digital modulation methods in those bands.

Propagation Factors Affecting Systems Using Digital Modulation Techniques at LF and MF

ITU-T X.509 CORR 4-2007 信息技术.开式系统互连.人名地址录:校验结构

In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agency.

(Pre-Published) Information Technology - Open Systems Interconnection - The Directory: Authentication Framework - Data Networks and Open System Communications Directory Technical Corrigendum 4

ITU-T Q.764 AMD 5-2006 NO.7信令系统-ISDN用户部分的信令规程 修正案5:声音增强设备相关信息的传输(第11研究组)

This amendment was produced to meet the need for the transport of Voice Enhancement Device/Function related information.

Signalling System No. 7 ISDN user part signalling procedures Amendment 5: Transport of Voice Enhancement Device related information Study Group 11

ITU-T Q.763 AMD 5-2006 NO.7信令系统-ISDN用户部分的格式和编码: 修正案5 声音增强设备相关信息的传输(第11研究组)

This amendment was produced to meet the need for the transport of Voice Enhancement Device/Function related information.

Signalling System No. 7 ISDN user part formats and codes Amendment 5: Transport of Voice Enhancement Device related information Study Group 11

ITU-T Q.762 AMD 4-2006 NO.7信令系统-ISDN用户部分消息和信号的一般功能-修正案4.声音增强设备相关信息的传输.研究组11

This amendment was produced to meet the need for the transport of Voice Enhancement Device/Function related information.

Signalling System No. 7 ISDN user part general functions of messages and signals Amendment 4: Transport of Voice Enhancement Device related information Study Group 11

ITU-T X.501 NOTE-2006 信息技术.开放系统互连.号码簿:模型 第17研究组

ITU-T Recommendation X.501 (08/2005), Information technology – Open Systems Interconnection – The Directory: Models

Information technology ?Open Systems Interconnection ?The Directory: Models Study Group 17

ITU-T G.113 AMD 1-2006 语音处理导致的传输损伤 修正1:新附录IV - 对wideoband设备损伤系数Ie,wb派定的分配

The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical,

Transmission impairments due to speech processing Amendment 1: New Appendix IV ?Provisional planning values for the wideband equipment impairment factor Ie,wb Study Group 12

ITU-T X.681 CORR 1-2006 信息技术-抽象句法表记法-(ASN.1):信息对象规范

This Technical Corrigendum addresses a defect in ITU-T Rec. X.681 | ISO/IEC 8824-2 that was identified when resolving ballot comments on ITU-T Rec. X.680 (2002)/Amd.3 | ISO/IEC 8824-1:2002/Amd.3 (time types amendment).

Information technology ?Abstract Syntax Notation One (ASN.1): Information object specification Technical Corrigendum 1 Study Group 17

ITU-T G.107 AMD 1-2006 用于传输规划的计算模型:E 模型 修正1:新附录II - 多频语音传送的临时损伤系数框架 研究12组

The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical,

The E-model, a computational model for use in transmission planning Amendment 1: New Appendix II ?Provisional impairment factor framework for wideband speech transmission Study Group 12

ITU-T X.692 AMD 2-2006 信息技术-ASN.1编码规则 - 编码控制表记法(ECN)规范

This amendment adds support to ECN for the TIME type and for the useful time types (DATE, TIME-OF-DAY, DATE-TIME, and DURATION) specified in ITU-T Rec. X.680 (2002)/Amd.2 (2004) | ISO/IEC 8824-1:2002/Amd.2:2005.

Information technology ?ASN.1 encoding rules: Specification of Encoding Control Notation (ECN) Amendment 2: Time type support Study Group 17

ITU-T X.691 AMD 2-2006 信息技术.ASN.1编码规则-分组编码规则(PER)的规范

This amendment specifies the PER encodings for the TIME type, for the useful time types (DATE, TIME-OF-DAY, DATE-TIME, and DURATION) and for the defined time types specified in the ASN.1 module DefinedTimeTypes of ITU-T Rec. X.680/Amd.3 | ISO/IEC 8824-1/

Information technology ?ASN.1 encoding rules: Specification of Packed Encoding Rules (PER) Amendment 2: Time type support Study Group 17

ITU-T E.115 CORR 1-2006 计算机化号码查询 更正1

The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications.

Computerized Directory Assistance Corrigendum 1

ITU-T X.690 AMD 2-2006 信息技术-ASN.1编码规则:基本编码规则(BER)、正则编码规则(CER)和区分编码规则(DER)

The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications.

Information technology ?ASN.1 encoding rules: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER) Amendment 2: Time type support Study Group 17

ITU-T X.693 AMD 2-2006 信息技术-ASN.1编码规则:XML编码规则(XER)

This amendment specifies the canonical encodings for the TIME, TIME-OF-DAY, DATE, DATE-TIME, and DURATION types.

Information technology ?ASN.1 encoding rules: XML Encoding Rules (XER) Amendment 2: Time type support Study Group 17