US 12,244,758 B2
Systems and methods for processing calls
Chia-Chang Li, Holmdel, NJ (US)
Assigned to Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed by Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed on Jun. 12, 2023, as Appl. No. 18/333,270.
Application 18/333,270 is a continuation of application No. 16/781,790, filed on Feb. 4, 2020, granted, now 11,722,595.
Claims priority of provisional application 62/800,923, filed on Feb. 4, 2019.
Prior Publication US 2023/0403355 A1, Dec. 14, 2023
Int. Cl. H04L 12/66 (2006.01); H04L 65/1069 (2022.01); H04L 65/1096 (2022.01); H04L 65/1104 (2022.01); H04M 3/22 (2006.01); H04M 7/00 (2006.01)
CPC H04M 3/2281 (2013.01) [H04L 65/1069 (2013.01); H04L 65/1096 (2013.01); H04L 65/1104 (2022.05); H04M 7/0078 (2013.01)] 36 Claims
OG exemplary drawing
 
1. A method comprising:
determining, based on a presence or absence of a diversion header associated with a message indicative of a call request, an attestation value indicative of trustworthiness associated with a sender identifier in the message;
generating, based on the attestation value, a signature; and
sending, based on a destination identifier in the message, a signed message comprising the signature and at least a portion of the message.