Telecommunication Journal, 49. sējums,7-12. izdevumsInternational Telecommunication Union, 1982 |
No grāmatas satura
1.–3. rezultāts no 87.
489. lappuse
... Telephone Administration has just signed a contract at Katmandu with the Bell Telephone Mfg Co. for the supply and the installation of digital exchanges and transmission equipment . Bell is to install 12 000 System 12 type 1240 digital ...
... Telephone Administration has just signed a contract at Katmandu with the Bell Telephone Mfg Co. for the supply and the installation of digital exchanges and transmission equipment . Bell is to install 12 000 System 12 type 1240 digital ...
533. lappuse
... telephone service were not exactly easy either . People dubbed the first telephone directory published in Berlin in the summer of 1881 " The book of the 94 fools " . When the second edition was published a year later the number of ...
... telephone service were not exactly easy either . People dubbed the first telephone directory published in Berlin in the summer of 1881 " The book of the 94 fools " . When the second edition was published a year later the number of ...
580. lappuse
... telephone technology , such as integrated dialling codes and automatic charging . The first long - distance coin telephone for " communication during journeys " appeared as early as 1929. In 1930 Siemens de- veloped the 4 - wire ...
... telephone technology , such as integrated dialling codes and automatic charging . The first long - distance coin telephone for " communication during journeys " appeared as early as 1929. In 1930 Siemens de- veloped the 4 - wire ...
Saturs
Material from this publication may be reproduced in The international approach to the ISDN | 411 |
Trends in digital switching and ISDN | 421 |
The Journal one hundred years ago | 430 |
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