Patent ID: 8781108
Filing Date: 2014-07-15
Classification: H04M

Abstract:
1. A communications system for use with a hook switching device capable of hook switching the telephone on and off hook when a call is accepted or terminated comprising: a communications device in communication with a telephone device, a sensor located on the telephone device for sensing a ringing signal, and a ringtone detector connected to the sensor and the communications device, wherein the ringtone detector comprises a feature extractor associated with the ringtone detector, which detects and learns distinctive ringtones, a ringtone feature memory capable of storing characteristics of ringtones for later retrieval and comparison; a comparator for comparing previously stored ringtone characteristics to incoming ringtone characteristics; an alert generator, responsive to said comparator when the comparator identifies a match with a previously learned ringtone characteristics and then generates an alert signal in response thereto.