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ITU There are 5137 products.
ITU-T I.252.1
ITU-T I.252.1 Call offering supplementary services : Call Transfer
$10.75 $25.00 -57%In StockITU-T I.252.6
ITU-T I.252.6 Call offering supplementary services : Line Hunting (LH)
$10.75 $25.00 -57%In StockITU-T E.100
ITU-T E.100 Definitions of terms used in international telephone operation
$10.75 $25.00 -57%In StockITU-T E.110
ITU-T E.110 Organization of the international telephone network
$10.75 $25.00 -57%In StockITU-T E.112
ITU-T E.112 Arrangements to be made for controlling the telephone services between two countries
$10.75 $25.00 -57%In StockITU-T E.114
ITU-T E.114 Supply of lists of subscribers (directories and other means)
$10.75 $25.00 -57%In StockITU-T E.120
ITU-T E.120 Instructions for users of the international telephone service
$10.75 $25.00 -57%In StockITU-T E.122
ITU-T E.122 Measures of reduce customer difficulties in the international telephone service
$10.75 $25.00 -57%In StockITU-T E.126
ITU-T E.126 Harmonization of the general information pages of the telephone directories published by administrations
$10.75 $25.00 -57%In StockITU-T E.127
ITU-T E.127 Pages in the telephone directory intended for foreign visitors
$10.75 $25.00 -57%In Stock
