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ITU There are 5137 products.
ITU-T Q.478
ITU-T Q.478 Relay and regeneration of R2 interregister signals by an outgoing R2 register in a transit exchange
$10.75 $25.00 -57%In StockITU-T Q.164
ITU-T Q.164 Test equipment for checking equipment and signals
$10.75 $25.00 -57%In StockITU-T Q.293
ITU-T Q.293 Security arrangements; Intervals at which security measures are to be invoked; Changeover and changeback procedures; Emergency restart procedure; Full-time synchronized reserve links; Load sharing method
$10.75 $25.00 -57%In StockITU-T Q.454
ITU-T Q.454 Multifrequency signalling equipment; The sending part of the multifrequency signalling equipment
$10.75 $25.00 -57%In StockITU-T Q.260
ITU-T Q.260 Signal unit formats and codes; Management signals
$10.75 $25.00 -57%In Stock
