Patent ID: 6721059
Filing Date: 2004-04-13
Classification: H04M,H04N

Abstract:
A fax device, comprising:a memory for storing caller identification information including a list of trusted caller identification information and a list of frequent caller identification information; and a controller coupled to the memory, the controller operable to respond to caller identification information associated with an incoming call received from a network and based on a comparison with caller identification information stored in said memory, to determine to accept or to reject the incoming call, said controller further operable to add incoming caller information automatically to a list of frequent caller identification information if not present in the list of trusted caller identification information, and automatically to add incoming caller identification information to a list of blocked caller identification if that incoming caller information is not present in the list of trusted caller identification information and if a usage value associated with that incoming caller identification information derived from said list of frequent caller identification information exceeds a predetermined threshold value.