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Call originator - (or calling party, caller or A-party) a person or device that initiates a telephone call by dialling a telephone number.; Call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece.
Phone tag is a phenomenon in which two parties attempt to contact each other by telephone, but neither is able to get a hold of the other for a conversation. Both parties may leave a message on the answering machine or voicemail of the other, and request a call back.
Cellular phones were not an option at the time because they were extremely expensive (thousands of dollars per handset) and the infrastructure to install cell sites was also costly. With virtual telephony, each person could be given a phone number (just the number, not the phone) and a voice mailbox. The citizen would also be given a pager. If ...
Contact mechanics, the study of solid objects that deform when touching each other; Contact process (mathematics), a model of an interacting particle system;
A mobile phone or cellphone or hand phone is a handheld telephone which connects via radio transmissions to a cellular telephone network. The cellular network consists of a network of ground based transmitter/receiver stations with antennas – which are usually located on towers or on buildings – and infrastructure connecting to the global ...
From the 1960s onward, the rotary dial was gradually supplanted by push-button telephones, first introduced to the public at the 1962 World's Fair under the trade name Touch-Tone (DTMF). Touch-tone technology primarily used a keypad in the form of a rectangular array of push-buttons. Although no longer in common use, the rotary dial's legacy ...
Telephony (/ t ə ˈ l ɛ f ə n i / 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.
As such, slow communications technologies like postal mail and pneumatic tubes are excluded from the telecommunication's definition. [5] [6] Telecommunication is a compound noun of the Greek prefix tele-(τῆλε), meaning distant, far off, or afar, [7] and the Latin verb communicare, meaning to share.