| Country | Telephone system |
| United Kingdom | general assessment: technologically advanced domestic and international system
domestic: equal mix of buried cables, microwave radio relay, and fiber-optic systems
international: country code - 44; numerous submarine cables provide links throughout Europe, Asia, Australia, the Middle East, and US; satellite earth stations - 10 Intelsat (7 Atlantic Ocean and 3 Indian Ocean), 1 Inmarsat (Atlantic Ocean region), and 1 Eutelsat; at least 8 large international switching centers |
| United States | general assessment: a large, technologically advanced, multipurpose communications system
domestic: a large system of fiber-optic cable, microwave radio relay, coaxial cable, and domestic satellites carries every form of telephone traffic; a rapidly growing cellular system carries mobile telephone traffic throughout the country
international: country code - 1; multiple ocean cable systems provide international connectivity; satellite earth stations - 61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5 Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and Atlantic Ocean regions) (2000) |
| United States Pacific Island Wildlife Refuges | void |
| Uruguay | general assessment: fully digitalized
domestic: most modern facilities concentrated in Montevideo; new nationwide microwave radio relay network; overall fixed-line and mobile-cellular teledensity approaching 150 telephones per 100 persons
international: country code - 598; the UNISOR submarine cable system provides direct connectivity to Brazil and Argentina; satellite earth stations - 2 Intelsat (Atlantic Ocean) (2009) |
| Uzbekistan | general assessment: digital exchanges in large cities but still antiquated and inadequate in rural areas
domestic: the state-owned telecommunications company, Uzbektelecom, owner of the fixed line telecommunications system, has used loans from the Japanese government and the China Development Bank to upgrade fixed-line services including conversion to digital exchanges; mobile-cellular services are growing rapidly, with the subscriber base exceeding 16 million in 2009
international: country code - 998; linked by fiber-optic cable or microwave radio relay with CIS member states and to other countries by leased connection via the Moscow international gateway switch; after the completion of the Uzbek link to the Trans-Asia-Europe (TAE) fiber-optic cable, Uzbekistan plans to establish a fiber-optic connection to Afghanistan (2009) |
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This page was last updated on 3 February, 2012 |
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