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Website. freeswitch.com. FreeSWITCH is a free and open-source telephony software for real-time communication protocols using audio, video, text and other forms of media. The software has applications in WebRTC, voice over Internet Protocol (VoIP), video transcoding, Multipoint Control Unit (MCU) functionality and supports Session Initiation ...
assurancewireless.com. Assurance Wireless USA, L.P.[1] is a telephone service subsidized by the federal Lifeline Assistance program, a government benefit program supported by the federal Universal Service Fund. The service provides to low-income eligible people a free phone, [2][3] free monthly data, unlimited texting, and free monthly minutes.
Phreaking is a slang term coined to describe the activity of a culture of people who study, experiment with, or explore telecommunication systems, such as equipment and systems connected to public telephone networks. [1] The term phreak is a sensational spelling of the word freak with the ph- from phone, and may also refer to the use of various ...
Telephone exchange. A telephone operator manually connecting calls with cord pairs at a telephone switchboard. A modern central office, equipped with voice communication and broadband data capabilities. A telephone exchange, also known as a telephone switch or central office, is a crucial component in the public switched telephone network (PSTN ...
Dial phones were invented in the 1930s but took years to become standard. New Hampshire switched to dials town by town from 1950 to 1973. [18] Switchboards and operators were an integral part of the telecommunications system until the introduction of electronic switching systems in the mid-20th century.
This lists Alcatel switches before the merger with Lucent Technologies. 1000 E10 / S12 (during the 1990s the E10 and S12 systems were converted into a single product line) E10 versions: E10A (E10N3)- Original switch introduced in 1972 one of the earliest deployments of TDM switching in the world. E10B (E10N1)- Major revision in the 1980s which ...
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