What it is
STIR/SHAKEN call authentication service requires carriers to digitally sign calls originated by customers, using the same public-key cryptography process that secures e-commerce websites.
Verified numbers
Secure Telephony Identity Revisited/Secure Handling of Asserted information using toKENs (STIR/SHAKEN) compliance requires carriers to digitally sign calls originated by their customers, helping to verify that a call is not spoofed.
Call filter algorithm
Verizon uses STIR/SHAKEN technology to update our spam detection algorithm used by Call Filter, which may reduce the chances of incorrectly blocking or identifying a “good” call as “Potential Spam.”
Greater caller confidence
Verizon does not block calls based on STIR/SHAKEN data alone, but it is another input into our call analytics platform that helps give organizations and their customers confidence that their call is legitimate.
Benefits and features
Robocall reduction
Identify inbound robocalls to your contact center and interactive voice response system.
Voice security
Help customers know who’s really calling with digitally signed and attested call headers.
Standard expertise
Feel confident in solutions that are backed by federal and industry best practices.
FAQs
Secure Telephony Identity Revisited/Secure Handling of Asserted information using toKENs (STIR/SHAKEN) is a Federal Communications Commission (FCC)-mandated, carrier-based telecom industry solution that uses digital signatures to authenticate the origin of phone calls. Its purpose is to increase trust that the information on a caller ID display is the actual originating party.
STIR/SHAKEN can help identify inbound robocalls to your contact center and interactive voice response system, and leverage automated voice authentication and self-service options. It can also help customers know who’s really calling with trusted caller ID data, so they can be confident they’re receiving legitimate calls from your company.
All carriers are required to use STIR/SHAKEN. Verizon sits on the board of the STIR/SHAKEN governance group, helping to establish policy and regulatory frameworks, to build standards and testing protocols, and to select certificate authorities. We are also investing in our network infrastructure to add capabilities to inbound and outbound calling.