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ITU There are 5320 products.
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ITU-T S.140
ITU-T S.140 Definitions of essential technical terms relating to apparatus for alphabetic telegraphy
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ITU-T N.18
ITU-T N.18 Monitoring for charging purposes, releasing
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ITU-T O.91
ITU-T O.91 Phase jitter measuring equipment for telephone-type circuits
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ITU-T G.733
ITU-T G.733 Characteristics of primary PCM multiplex equipment operating at 1544 kbit/s
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ITU-T O.161
ITU-T O.161 In-service code violation monitors for digital systems
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ITU-T Q.48
ITU-T Q.48 Demand assignment signalling systems
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ITU-T R.90
ITU-T R.90 Organization for locating and clearing faults in international telegraph switched networks
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ITU-T U.5
ITU-T U.5 Requirements to be met by regenerative repeaters in international connections
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ITU-T N.54
ITU-T N.54 Definition and duration of the line-up period and the preparatory period
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ITU-T R.39
ITU-T R.39 Voice-frequency telegraphy on radio circuits
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