a manually or automatically operated telephone facility that handles communications within an office, office building, or organization and that is connected to the public telephone network. Cf. PABX
[ P ( rivate ) B ( ranch ) Ex ( change ) ]
a manually or automatically operated telephone facility that handles communications within an office, office building, or organization and that is connected to the public telephone network. Cf. PABX
[ P ( rivate ) B ( ranch ) Ex ( change ) ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012