Patent ID: 8102979
Filing Date: 2012-01-24
Classification: H04M

Abstract:
1. A method of accessing a plurality of features of a second telecommunication system from a first telecommunication system comprising: receiving a telephone call from a first calling party on the second telecommunication system from a first device having a first telephone number, wherein the second telecommunication system is a Voice over Internet protocol (VoIP) computer telephony system; determining whether the first telephone number is a stored authorized number in the VoIP system; and if the first telephone number is the stored authorized number, providing access to the plurality of features; wherein the telephone call is initiated by dialing a subscriber telephone number corresponding to a subscriber device that is assigned to a subscriber to the VoIP system and can be dialed by a calling party over a public switched telephone network (PSTN); wherein when the first telephone number is not a stored authorized number, routing the telephone call to the subscriber device; wherein the providing access comprises waiting a fixed period of time for the first calling party to say a pre-assigned word or enter a pre-defined data to have access to the plurality of features, and if the fixed period of time expires without the calling party saving the pre-assigned word or entering the pre-defined data, automatically routing the telephone call to the subscriber device.