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Call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece. Called party - (or callee or B-party) Caller. Calling party. Conference call (multi-party call) COCOT. Cut – unexpected, and usually sudden, termination of call, line or service.
Telephony (/ təˈlɛfəni / tə-LEF-ə-nee) is the field of technology involving the development, application, and deployment of telecommunications services for the purpose of electronic transmission of voice, fax, or data, between distant parties. The history of telephony is intimately linked to the invention and development of the telephone.
The Shannon–Weaver model was initially formulated in analogy to how telephone calls work but is intended as a general model of all forms of communication. In the case of a landline phone call, the person calling is the source and their telephone is the transmitter translating the message into an electric signal. The wire acts as the channel.
An old rotary dial telephone. AT&T push button telephone made by Western Electric, model 2500 DMG black, 1980. A telephone, colloquially referred to as a phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically ...
The switchboard operator was a person who manually connected calls by plugging and unplugging cords on the switchboard. The role of the switchboard and operator was important because they were responsible for connecting callers with the correct party and ensuring that calls were completed correctly.
A mobile phone feature is a capability, service, or application that a mobile phone offers to its users. Mobile phones are often referred to as feature phones , and offer basic telephony. [ clarification needed ] Handsets with more advanced computing ability through the use of native code try to differentiate their own products by implementing ...
A telephone call or telephone conversation (or telcon[1][a]), also known as a phone call or voice call (or simply a call), is a connection over a telephone network between the called party and the calling party. Telephone calls started in the late 19th century. As technology has improved, a majority of telephone calls are made over a cellular ...
20 March 1880: National Bell Telephone merges with others to form the American Bell Telephone Company. 1 April 1880: world's first wireless telephone call on Bell and Tainter's photophone (distant precursor to fiber-optic communications) from the Franklin School in Washington, D.C. to the window of Bell's laboratory, 213 meters away. [20] [21]