“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
We specialise in the installation, configuration and maintenance of all sizes and types of Asterisk, VoIP, IP PBX, and Billing solution from basic small-business systems to enterprise-based solutions.