PBX (Public Branch Exchange) Operator Definition: Person who operates a Private Branch Exchange at a hotel.Example: Switchboard operator. Reference: www.meetingpages.com/terms-glossary Updated on August 17, 2021 Tagged: Operations Was this article helpful? Yes No Related Articles CPOR: Cost Per Occupied Room AV: Audio Visual (Equipment) Area of Protection (AOP) (Franchise) H.I.D.: High-Intensity Discharge (Light Bulbs and Lamps) GSA: General Services Administration FTE: Full-Time Equivalent