Telecommunication Journal, 57. sējums,1-432. lapaInternational Telecommunication Union., 1990 |
No grāmatas satura
1.–3. rezultāts no 89.
109. lappuse
... tele- phone density was 0.54 telephones per 100 inhabitants . It is obvious that , at the cost of a telephone line as high as 2500 USD , these countries are unlikely to resolve the problem of telephone ser- vice provision in the ...
... tele- phone density was 0.54 telephones per 100 inhabitants . It is obvious that , at the cost of a telephone line as high as 2500 USD , these countries are unlikely to resolve the problem of telephone ser- vice provision in the ...
110. lappuse
... tele- phone necessitates capital investment of about 2500 dollars , with both the tele- phone and the subscriber network remaining analogue . To create ISDN the subscriber network has to be digital which on the whole results in a 50 ...
... tele- phone necessitates capital investment of about 2500 dollars , with both the tele- phone and the subscriber network remaining analogue . To create ISDN the subscriber network has to be digital which on the whole results in a 50 ...
114. lappuse
... tele- phone networks with the use of a new generation of digital switching systems bringing digital stream to subscriber As mentioned above , current ap- proaches to designing the telephone networks require significant expendi- tures ...
... tele- phone networks with the use of a new generation of digital switching systems bringing digital stream to subscriber As mentioned above , current ap- proaches to designing the telephone networks require significant expendi- tures ...
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