Telecommunication Journal, 48. sējumsInternational Telecommunication Union, 1981 |
No grāmatas satura
1.–3. rezultāts no 80.
245. lappuse
... present about 10 % have not ) ; the failure rate on local calls due to system inadequacies should be not more than 2 % ( this is broadly achieved at present ) ; the corresponding failure rate on sub- scriber - dialled trunk calls should ...
... present about 10 % have not ) ; the failure rate on local calls due to system inadequacies should be not more than 2 % ( this is broadly achieved at present ) ; the corresponding failure rate on sub- scriber - dialled trunk calls should ...
246. lappuse
... present have a manual service . There are some 300 exchanges on order or about to be ordered and these should be installed mainly in 1982. The remain- ing exchanges will be converted to auto- matic working in 1983 and 1984 . New ...
... present have a manual service . There are some 300 exchanges on order or about to be ordered and these should be installed mainly in 1982. The remain- ing exchanges will be converted to auto- matic working in 1983 and 1984 . New ...
378. lappuse
... present time Poland has automatic outgoing links with 11 countries and an incoming automatic service with 18 countries ( not counting frontier traffic ) . A further improvement in the international system will take place in 1981 with ...
... present time Poland has automatic outgoing links with 11 countries and an incoming automatic service with 18 countries ( not counting frontier traffic ) . A further improvement in the international system will take place in 1981 with ...
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