| PTT |
(Postal, Telephone and Telegraph Administration) - The traditional national organisation responsible for postal and telephone and telegraphic services. Many countries have separate private sector companies now operating these services.
출처: www.metrodata.co.uk/technical_services/glossaries/...
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| PTT |
push to talk
출처: www.com-rad.com/SG-GLSY.htm
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| PTT |
Post, Telephone and Telegraph administration. One of the many national bodies responsible for providing communications services in a particular country. Traditionally, PTTs had monopolies in their respective countries. This monopoly was first broken in the US, with the UK joining somewhat later. Currently the markets are being deregulated in Europe as well as other parts of the world.
출처: www.medesign.org/start/history.htm
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