Avaya Definity

The Definity name began in the late 1980s/early 1990s to replace the System 75 and System 85 branding. A product page on Lucentís website circa 1998 referred to the Definity as "Definitive Solutions for an Infinite Number of Possibilities" allegedly referring to the name of the system. The Definity system was based on a terminal user interface with real English commands (i.e. "change station 1000″ to change the settings for extension 1000), with step by step call processes called "vectors" with Logo like programming commands.

 

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