“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.
Rendez Ltd delivers and supports IP based phone systems exclusively to business customers. We provide SIP Trunks as well as traditional PSTN call traffic and are able to offer these services nationwide.