Telecom ABC - M
Mobile Communications on board Aircraft (MCA) refers to a service whereby passsengers can use their mobile phone on board an aircraft. A miniature cellular network is installed inside the aircraft. Mobile phones can connect to this network. Voice and data traffic is transmitted to a satellite that routes the traffic to a ground station. From there, the traffic is routed to the usual telephone network. The service is only allowed above a certain flight level (3000 meter in Europe) to reduce the interference to terrestrial cellular networks. The network can be used for both originating and terminating calls. A call is made in the same way as on the ground when roaming abroad. Mobile phones connect to a miniature cellular network installed inside this aircraft. A modem transmits data and calls to a satellite that routes them to a ground station. Data and calls are then routed to the passenger�s usual telephone network. The cellular network is located inside the aircraft. Passengers� mobile phones only emit at minimum power, which does not risk harmful interference with aircraft avionics or ground telecoms network. . Phones are used just like on the ground. To make a call on board the aircraft, passengers simply dial the international prefix (+) or 00 + country code + full number (without the 0).
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