What is another word for centrex?
Pronunciation: [sˈɛntɹɛks] (IPA) 
Centrex is a telecommunications system in which all the telephone lines within a particular building, office, or business are connected to an external telephone exchange. It is also referred to as a PBX (Private Branch Exchange) system or a PABX (Private Automatic Branch Exchange) system. Additionally, it can also be called a virtual PBX as it utilizes cloud technology to provide call management features. Centrex is used to improve call handling and routing for businesses and organizations. It is also used as a cost-effective solution to manage communication between different departments in a company. Other synonyms for Centrex include virtual PBX, hosted PBX, cloud PBX, and IP PBX.
