“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.
Peneo is a leading-edge technology firm specializing in VoIP (Voice over IP) solutions to lower telecom costs for residential consumers (B2C), commercial businesses (B2B), and callshops/Internet cafes.