Patent ID: 9426288
Filing Date: 2016-08-23
CPC Classification: H04M,H04W

Claim Text:
1. A method for generating a community blacklist comprising: receiving, using a processor, an incoming telephone call directed to a recipient telephone number, the recipient telephone number being associated with a telephone service, the recipient telephone number being unassigned to a subscriber of the telephone service; determining, using the processor, the incoming telephone call is from an originating telephone number; answering, using the processor, the incoming telephone call; providing, using the processor, a verbal challenge; receiving, using the processor, a response, the response being at least an audible answer; measuring, using the processor, a time between when the verbal challenge is provided and when the response is received; and adding the originating telephone number to the community blacklist based at least on one of the measured time being equal to or greater than a predetermined time and the audible answer corresponding to at least one predetermined answer.