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2. Videotelephony - Wikipedia

   en.wikipedia.org/wiki/Videotelephony

   Videotelephony (also known as videoconferencing or video call) is the use of audio and video for real-time communication between people. [1] Videophones are standalone devices for video calling. Other devices like smartphones and computers are now capable of video calling. Videoconferencing implies the use of videotelephony for groups. [2]

3. Telephone exchange - Wikipedia

   en.wikipedia.org/wiki/Telephone_exchange

   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 ...

4. Telephone switchboard - Wikipedia

   en.wikipedia.org/wiki/Telephone_switchboard

   Telephone switchboard. A telephone switchboard was a device used to connect circuits of telephones to establish telephone calls between users or other switchboards, throughout the 20th century. The switchboard was an essential component of a manual telephone exchange, and was operated by switchboard operators who used electrical cords or ...

5. Business telephone system - Wikipedia

   en.wikipedia.org/wiki/Business_telephone_system

   Business telephone system. A business telephone system is a telephone system typically used in business environments, encompassing the range of technology from the key telephone system ( KTS) to the private branch exchange ( PBX ). A business telephone system differs from an installation of several telephones with multiple central office (CO ...

6. Jailer’s attorney joins those calling for release of full ...

   www.aol.com/news/jailer-attorney-joins-those...

   The released video — including portions from a surveillance video and a cellphone — shows a struggle between Johnson and multiple officers after the Sheriff’s Office said Johnson resisted ...

7. Contact AOL customer support - AOL Help

   help.aol.com/articles/account-management...

   In addition to the support options listed above, paid members also have access to 24/7 phone support 1-800-827-6364. Learn about the support options AOL offers and how to access help for your question or issue.