“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.
Our VoIP solutions are cost-effective, low-maintenance, and flexible enough to handle all voice and data networking for small business up to call centers of more than 5000 users.