The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2017
Filed:
Aug. 03, 2015
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Alan T. Yaung, San Jose, CA (US);
Ang Yi, Beijing, CN;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 3/22 (2006.01); H04L 9/32 (2006.01); H04W 12/06 (2009.01); H04W 12/04 (2009.01); H04M 3/42 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04M 3/2281 (2013.01); H04L 9/3247 (2013.01); H04L 63/083 (2013.01); H04M 3/42076 (2013.01); H04W 12/04 (2013.01); H04W 12/06 (2013.01);
Abstract
In an approach to caller ID verification by digital signature, a computing device receives caller ID and URL information associated with a call. The computing device retrieves a digital signature based on the URL. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information in order to ascertain the validity of the caller ID information. The computing device performs one or more actions based on the digital signature assessment.