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ITU There are 5320 products.
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ITU-T Q.457
ITU-T Q.457 Range, speed and reliability of interregister signalling; Range of interregister signalling
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ITU-T Q.133
ITU-T Q.133 Numbering for access to automatic measuring and testing devices
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ITU-T Q.318
ITU-T Q.318 Double seizing with both-way operation
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ITU-T Q.464
ITU-T Q.464 Signalling between the outgoing international R2 register and the last incoming R2 register
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ITU-T Q.323
ITU-T Q.323 Multifrequency signal receiving equipment
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ITU-T Q.268
ITU-T Q.268 Release of international connections and associated equipment
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ITU-T Q.328
ITU-T Q.328 Routine testing of equipment (local maintenance)
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ITU-T Q.138
ITU-T Q.138 Instruments for checking equipment and measuring signals
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ITU-T G Supplement 28 III.4
ITU-T G Supplement 28 III.4 Application of transmultiplexers, FDM codecs, data-in-voice (DIV) systems and data-over-voice (DOV) systems during the transition from an analogue to a digital network
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ITU-T Q.472
ITU-T Q.472 Termination of interregister signalling; At the last incoming R2 register situated in a transit exchange
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ITU-T Q.146
ITU-T Q.146 Speed of switching in international exchanges
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