“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 are offering Reseller Level-I,II,III with high Quality.
We have Mobile Dialer, GPlex Dialer, SIP Dialer, Eazzy Dialer.
If you are doing VOIP Business in Middle East KSA, Oman, Dubai and other country you can contact with me.