Mobile Telecommunications Service
Telecommunications service with access through mobile terminals.

Mobile Cellular Telephone Service
Telephone services provided through a cellular mobile telephone network.

Mobile Phone
Wireless telephone which uses the telecommunications mobile network.

Market Power
The ability of a PTO to act independently in relation to competitors and consumers, being able to alter and maintain the prices above the competitive level and obtaining profits above the normal.

Mobile Cellular Telephone Network
A switched public telecommunications network with mobile terminals.

Main Distribution Frame
A network element that allows flexibility of the connections between the network and the subscriber interface of the local exchange. It is also the access point for tests.