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ITU-T Recommendation V.90 98年9月版本
A DIGITAL MODEM AND ANALOGUE MODEM PAIR FOR USE ON THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) AT DATA SIGNALLING RATES OF UP TO 56 000 bit/s DOWNSTREAM AND UP TO 33 600 bit/s UPSTREAM-ITU-T Recommendation V.90 Se
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ITU-T RECOMMENDATION V.250
SERIAL ASYNCHRONOUS AUTOMATIC DIALLING AND CONTROL
99年5月版本-ITU-T RECOMMENDATION V.250 SERIAL ASYNCH RONOUS AUTOMATIC DIALING AND CONTROL May 99 version
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ITU-T Recommendation G.729
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NTERNATIONAL TELECOMMUNICATION UNION ITU-T T.4 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (07/2003) ITU-T T.4 2003. SERIES T: TERMINALS FOR TELEMATIC SERVICES Standardization of Group 3 facsimile terminals for document transmission ITU-T Recomme
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H.263 文档 DRAFT ITU-T Recommendation H.263 VIDEO CODING FOR LOW BITRATE COMMUNICATION-H.263 ITU-T Recommendation H.263 VIDEO CODING FOR LOW BITRATE COMMUNICATION
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CCIR656(BT656)标准
ITU-R Recommendation 656 - Standard Text -ITU-R Recommendation 656- Standard Text
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此文档为T.30建议书
本建议书规定了ITU-T T.4建议书定义的三类传真终端使用的规程。这些规程可以在公用
电话交换网、国际租用电路和综合业务数字网（ISDN）上传送文件。进一步，这些规程允许
人工或自动方式通信，并可以要求文件传输会话交替进行。-This document recommends books for the T.30 Recommendation provides ITU-T T.4 Recommendation defines three types of en
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Ethernet Ring Protection Switching, or ERPS, is an effort at ITU-T under G.8032 Recommendation to provide sub-50ms protection and recovery switching for Ethernet traffic in a ring topology and at the same time ensuring that there are no loops formed
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