We are rendering EPABX & INTERCOM solution for all present day communication needs. We are working out multiple options for you to choose so as to suit your needs of communication/security. A PBX (private branch exchange) is a telephone system within an enterprise that switches calls between enterprise users on local lines while allowing all users to share a certain number of external phone lines. The main purpose of a PBX is to save the cost of requiring a line for each user to the telephone company's central office. EPABX is most suitable for internal connectivity within building.