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ITU There are 5137 products.
ITU-T Q.721
ITU-T Q.721 Functional description of the signalling system no. 7 telephone user part (TUP)
$10.75 $25.00 -57%In StockITU-T Q.722
ITU-T Q.722 General function of telephone messages and signals
$10.75 $25.00 -57%In StockITU-T Q.1101
ITU-T Q.1101 General requirements for the interworking of the terrestrial telephone network and INMARSAT Standard A system
$10.75 $25.00 -57%In StockITU-T Q.1103
ITU-T Q.1103 Interworking between Signalling System No. 5 and INMARSAT Standard A system
$10.75 $25.00 -57%In StockITU-T Q.1102
ITU-T Q.1102 Interworking between Signalling System R2 and INMARSAT Standard A system
$10.75 $25.00 -57%In StockITU-T V.1
ITU-T V.1 Equivalence between binary notation symbols and the significant conditions of a two-condition code
$10.75 $25.00 -57%In Stock
