voice communication
121mHealth — Medical nurse uses a mobile phone in Accra, Ghana mHealth (also written as m health or mobile health) is a term used for the practice of medicine and public health, supported by mobile devices. The term is most commonly used in reference to using …
122Text messaging — Texter redirects here. For the American surname, see Texter (surname). Txt msg redirects here. For the TV series, see Pop Up Video. A user typing a text message on an LG enV (VX9900) Text messaging, or texting, refers to the exchange of brief… …
123Antonio Meucci — Born 13 April 1808(1808 04 13) Florence, Italy …
124MHealth — (also written as m health or sometimes mobile health) is a recent term for medical and public health practice supported by mobile devices, such as mobile phones, patient monitoring devices, PDAs, and other wireless devices. mHealth applications… …
125telecommunication — [tel΄ə kə myo͞o΄ni kā′shən] n. [also pl., with sing. or pl. v.] communication by electronic or electric means, as through radio, telephone, telegraph, television, or computers * * * tel·e·com·mu·ni·ca·tion (tĕlʹĭ kə myo͞o nĭ kāʹshən) n. 1. The… …
126telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… …
127Morse code — Chart of the Morse code letters and numerals Morse code is a method of transmitting textual information as a series of on off tones, lights, or clicks that can …
128Modem — For other uses, see Modem (disambiguation). A modem (modulator demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The… …
