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Telecommunications in Germany : ウィキペディア英語版
Telecommunications in Germany
Germany's telecommunication system is highly developed. Germany telecommunication market has been fully liberalized since January 1, 1998. Germany is served by an extensive system of automatic telephone exchanges connected by modern networks of fiber-optic cable, coaxial cable, microwave radio relay, and a domestic satellite system; cellular telephone service is widely available, expanding rapidly, and includes roaming service to foreign countries. As a result of intensive capital expenditures since reunification, the formerly antiquated system of the eastern part of the country has been rapidly modernized to the most advanced technology. Deutsche Telekom began rolling out FTTH networks in 10 cities in 2011, following the launch of pilot projects in Hennigsdorf, Braunschweig and Dresden in 2010.〔Deutsche Telekom fibre plans?, Aug 26 2011, Advanced Television〕
==Fixed-line telephony==
The telephony system employs an extensive system of modern network elements such as digital telephone exchanges, mobile switching centres, media gateways and signalling gateways at the core, interconnected by a wide variety of transmission systems using fibre-optics or Microwave radio relay networks. The access network, which connects the subscriber to the core, is highly diversified with different copper-pair, optic-fibre and wireless technologies. The fixed-line telecommunications market is dominated by the former state-owned monopoly Deutsche Telekom. The market entered a period of decline since the mid 2000s. The market players usually own and operate their own physical network, which is a result of previous state-owned monopoly. Such a player is termed an asset-based carrier. The number of suppliers is rather low as few companies have the necessary ability to supply complex, reliable and geographically extensive networks.


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