US 11,736,601 B2
System for authenticating a phone number using a phone number certificate
Harsha Ramamurthy Joshi, Bangalore (IN); Shashank Jain, Bangalore (IN); and Piyush Pramod Joshi, Aurangabad (IN)
Assigned to McAfee, LLC, San Jose, CA (US)
Filed by McAfee, LLC, San Jose, CA (US)
Filed on Oct. 21, 2022, as Appl. No. 17/971,299.
Application 17/971,299 is a continuation of application No. 17/088,482, filed on Nov. 3, 2020, granted, now 11,516,331.
Prior Publication US 2023/0038446 A1, Feb. 9, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04M 1/66 (2006.01); H04L 9/40 (2022.01); H04M 3/436 (2006.01)
CPC H04M 1/66 (2013.01) [H04L 63/0823 (2013.01); H04L 63/18 (2013.01); H04M 3/4365 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
one or more memory elements operable to store instruction; and
one or more processors operable to execute the instruction, such that the apparatus is configured to:
identify a phone number for an outgoing call from an electronic device;
request, via an out-of-band control channel, a digital certificate for the phone number;
receive, via the out-of-band control channel, the digital certificate for the phone number; and
based on a determination that the digital certificate for the phone number is authentic or not authentic, indicate on the electronic device whether the phone number is authentic or not authentic.