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ITU-T G.614
ITU-T G.614 Characteristics of symmetric pair star-quad cables designed earlier for analogue transmission systems and being used now for digital system transmission at bit rates of 6 to 34 Mbit/s
$10.75 $25.00 -57%In StockITU-T Q.109
ITU-T Q.109 Transmission of the answer signal in international exchanges
$10.75 $25.00 -57%In StockITU-T J.15
ITU-T J.15 Lining-up and monitoring an international sound-programme connection
$10.75 $25.00 -57%In StockITU-T U.70
ITU-T U.70 Telex service signals for telex and teletex interworking
$10.75 $25.00 -57%In StockITU-T Q.20
ITU-T Q.20 Comparative advantages of 'in-band' and 'out-band' systems
$10.75 $25.00 -57%In StockITU-T G.792
ITU-T G.792 Characteristics common to all transmultiplexing equipments
$10.75 $25.00 -57%In StockITU-T S.11
ITU-T S.11 Use of start-stop reperforating equipment for perforated tape retransmission
$10.75 $25.00 -57%In StockITU-T Q.116
ITU-T Q.116 Indication given to the outgoing operator or calling subscriber in case of an abnormal condition
$10.75 $25.00 -57%In StockITU-T J.42
ITU-T J.42 Characteristics of equipment for the coding of analogue medium quality sound-programme signals for transmission on 384-kbit/s channels
$10.75 $25.00 -57%In StockITU-T I.231.3
ITU-T I.231.3 Circuit-mode bearer service categories : Circuit-mode 64 kbit/s, 8 kHz structured bearer service usable for 3.1 kHz audio information transfer
$10.75 $25.00 -57%In Stock
