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ITU There are 5320 products.
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ITU-T Q.156
ITU-T Q.156 Release of international registers
$12.50 $25.00 -50%Reduced price!In 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
$12.50 $25.00 -50%Reduced price!In Stock -
ITU-T Q.164
ITU-T Q.164 Test equipment for checking equipment and signals
$12.50 $25.00 -50%Reduced price!In Stock -
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ITU-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
$12.50 $25.00 -50%Reduced price!In Stock -
ITU-T Q.255
ITU-T Q.255 Signalling-system-control signals
$12.50 $25.00 -50%Reduced price!In Stock -
ITU-T Q.441
ITU-T Q.441 Interregister signalling; Signalling code
$12.50 $25.00 -50%Reduced price!In Stock -
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ITU-T Q.260
ITU-T Q.260 Signal unit formats and codes; Management signals
$12.50 $25.00 -50%Reduced price!In Stock
