Visit Precision Roller on Facebook
Follow Precision Roller on Twitter Watch Precision Roller on YouTube Follow Precision Roller on Pinterest
Save 10% and Sign Up for Coupons on Printer Ink, Toner, and Supplies

Glossary PBX

Definition of PBX

1.  An acronym for private branch exchange. A PBX telephone system is an in-house telephone system that allows internal calling within an organization, office, or building, as well as calling to outside telephone networks.