Patent ID: 7050558
Filing Date: 2006-05-23
Classification: H04M

Abstract:
1. A method of controlling a call forwarding service comprising: operating a peripheral device coupled to a telephone switch to receive a call to a telephone number corresponding to said peripheral device from a caller using a first telephone to make said call, said peripheral device being used to provide said call forwarding service; determining, using automatic number identification information, a first telephone number corresponding to the first telephone from which said call was made; determining, from the first telephone number and stored information, if the first telephone corresponds to a telephone for which said call forwarding service is supported; if it is determined that said first telephone number corresponds to a telephone for which said call forwarding service is supported, and a first signal has been received from the first telephone, performing additional processing including: determining if said first signal is a call forwarding control signal used to activate said call forwarding service, and if it is determined that said first signal is a call forwarding control signal used to activate said call forwarding service, also: if it is determined that said first telephone number corresponds to a first telephone for which said call forwarding service is not supported by said peripheral device, requiring entry of a personal identification number and a second telephone number corresponding to a second telephone for which a call forwarding service is supported by said peripheral device prior to implementing a call forwarding control operation enabling or disabling call forwarding with respect to calls directed to said second telephone.