Definition
STIR/SHAKEN (secure telephone identity revisited and signature-based handling of asserted information using tokens) is the caller ID authentication framework phone carriers use to confirm whether a caller has the right to use the number it shows. The FCC requires voice providers to use it to fight spoofed robocalls.
Pasch Group Dealer Glossary · checked against primary sources October 2026
What it means for a dealership
When a call starts, the caller’s carrier digitally signs it and attests to whether the caller is authorized to use the calling number. The receiving carrier checks that signature before the call is delivered. Federal law also has the FCC set rules on when carriers may block calls based on this authentication information.
Congress required the framework in the TRACED Act, enacted on December 30, 2019. FCC rules required voice providers to implement it in their internet protocol networks by June 30, 2021, with extensions for some providers.
For dealers, STIR/SHAKEN helps show carriers that outbound calls from the BDC and sales team are not spoofed. It does not display the dealership’s name, logo or reason for calling. That takes branded caller ID, which is a separate service.
Questions
Will STIR/SHAKEN show my dealership’s name on caller ID?
No. STIR/SHAKEN only confirms whether the caller has the right to use the calling number. Showing a business name, logo or call reason on the customer’s phone takes branded caller ID, which is a separate service.
Sources
- Combating Spoofed Robocalls with Caller ID Authentication (FCC)
- 47 U.S.C. 227b: Call authentication (LII)
- 47 CFR 64.6301: Caller ID authentication (LII)
This explains the rule in plain English. It isn’t legal advice: check how it applies to your dealership with your counsel.
Updated October 11, 2026