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ITU There are 5339 products.
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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
$25.00In Stock -
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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
$25.00In Stock -
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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
$25.00In Stock -
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ITU-T Q.478
ITU-T Q.478 Relay and regeneration of R2 interregister signals by an outgoing R2 register in a transit exchange
$25.00In Stock -
