A provider that uses a third-party authentication service must require the third party to sign calls with the certificate the provider itself obtained, not the third party's certificate.
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- FCC third-party authentication rule
- Deployment
- carrier
- Region
- us
- Release range
- effective 2025-09-18
- Checked
- 2026-10-02
Sources
- 47 CFR § 64.6301 - Caller ID authentication — Legal Information Institute, Cornell Law School (reproducing eCFR) · tier 1 standards and regulators · 47 CFR 64.6301(b)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting STIR/SHAKEN attestation levels on outbound calls: source note stir-shaken-attestation-troubleshooting-cfr-tp-own-cert. WarmTransfer. https://warmtransfer.net/knowledge/claims/stir-shaken-attestation-troubleshooting-cfr-tp-own-cert
BibTeX
@misc{warmtransfer-claim-stir-shaken-attestation-troubleshooting-cfr-tp-own-cert,
title = {Troubleshooting STIR/SHAKEN attestation levels on outbound calls: source note stir-shaken-attestation-troubleshooting-cfr-tp-own-cert},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/stir-shaken-attestation-troubleshooting-cfr-tp-own-cert},
note = {Source note stir-shaken-attestation-troubleshooting-cfr-tp-own-cert, checked 2026-10-02}
}