private branch exchange (0 synonym found)
Definition of private branch exchange:

(n) : a telecommunications switching system, physically located at a customer's place of business, that provides internal communication between users and also access to outside (trunk) telephone lines
Definition of private branch exchange:

(n) : a telecommunications switching system, physically located at a customer's place of business, that provides internal communication between users and also access to outside (trunk) telephone lines
Back to Top