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ITU There are 5320 products.
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ITU-T Q.31
ITU-T Q.31 Noise in a national 4-wire automatic exchange
$12.50 $25.00 -50%Reduced price!In Stock -
ITU-T R.35
ITU-T R.35 Standardization of FMVFT systems for a modulation rate of 50 bauds
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ITU-T G.941
ITU-T G.941 Digital line systems provided by FDM transmission bearers
$12.50 $25.00 -50%Reduced price!In Stock -
ITU-T S.32
ITU-T S.32 Answer-back units for 200- and 300-baud start-stop machines in accordance with Recommendation S.30
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ITU-T Q.422
ITU-T Q.422 Clauses for exchange line signalling equipment
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ITU-T Q.442
ITU-T Q.442 Interregister signalling; Pulse transmission of backward signals A-3, A-4, A-6 or A-15
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ITU-T Q.125
ITU-T Q.125 Speed of switching in international exchanges
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ITU-T Q.312
ITU-T Q.312 2600 Hz line signal sender (transmitter)
$12.50 $25.00 -50%Reduced price!In Stock -
ITU-T E.231
ITU-T E.231 Charging in automatic service for calls terminating on special services for suspended, cancelled or transferred subscribers
$12.50 $25.00 -50%Reduced price!In Stock
