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Learn about the history and usage of fictitious telephone numbers in movies, music and other media. Find out why 555-555-5555 is not a valid number in North America and what are some examples of famous phone numbers.
Learn about the history, methods and effects of caller ID spoofing, a practice that causes the telephone network to display a fake phone number or name to the receiver of a call. Find out how caller ID spoofing can be used for pranks, scams, frauds and other malicious purposes.
BBM, or BlackBerry Messenger, was a popular instant messaging and videotelephony service developed by BlackBerry and later Emtek. It was launched in 2005 and discontinued in 2019, after expanding to iOS, Android and Windows platforms.
555 is a central office code in the North American Numbering Plan, used for directory assistance and fictional numbers in media. Learn about its history, usage, and examples of 555 numbers in TV shows, films, and songs.
BlackBerry Mobile was a brand of TCL Communication that produced and sold BlackBerry-branded smartphones from 2016 to 2020. Learn about the origins, features, and models of the BlackBerry devices, as well as the current status of the brand and its licensing agreements.
Caller ID is a service that displays a caller's telephone number and name to the called party when a call is set up. It was invented by Theodore George Paraskevakos in 1968 and is available in analog, digital and VoIP systems.
BlackBerry Limited is a Canadian software company that developed the BlackBerry brand of interactive pagers, smartphones, and tablets. Learn about its history from 1984 to 2022, its software products for cybersecurity and enterprise, and its transition from a smartphone maker to a software company.
BlackBerry 5810 is a monochrome Java-based model with GSM/GPRS phone and Mobitex data-only network. It was released in 2002 and has the same physical casing and keyboard layout as the 957 device.