Automatic registration method of an IP telephony end-point

摘要

An automatic registration procedure for IP telephony end-points is presented. A first-stage registration is performed which provides enough service capability to allow the customer or installer to use the end-point to create an account and to subscribe to the specific services and features desired by the customer. Then a second-stage registration is performed which provides the end-point with the full set of features subscribed to by the customer.