US 12,113,931 B2
Method of pre-verifying phone numbers for call attestation
Zachary Gongaware, Stanwood, WA (US); Christopher Frame, Culver City, CA (US); and Jude Capachietti, Haleiwa, HI (US)
Assigned to Doximity, Inc., San Francisco, CA (US)
Filed by Doximity, Inc., San Francisco, CA (US)
Filed on May 10, 2022, as Appl. No. 17/741,325.
Prior Publication US 2023/0370544 A1, Nov. 16, 2023
Int. Cl. H04M 3/42 (2006.01); H04M 3/436 (2006.01); H04M 3/51 (2006.01)
CPC H04M 3/42042 (2013.01) [H04M 3/4365 (2013.01); H04M 3/51 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, by one or more processing devices of a communication server, an unverified phone number;
generating, by the one or more processing devices, pre-verification information, in response to determining the unverified phone number is associated with a healthcare facility, wherein the pre-verification information includes the unverified phone number and a facility name associated with the healthcare facility;
sending, by the one or more processing devices, the pre-verification information to a certification authority server for use in verifying that the unverified phone number is associated with the healthcare facility; and
sending, by the one or more processing devices, a call request using the unverified phone number, wherein the call request includes a digital certificate based on the certification authority server verifying that the unverified phone number is associated with the healthcare facility.