RFC 8946 defines a 'div' PASSporT that explicitly indicates a call has been retargeted (diverted) from the original called number, created by an authentication service at the retargeting entity.
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- STIR diverted calls
- Deployment
- carrier
- Region
- not restricted
- Release range
- RFC 8946
- Checked
- 2026-10-02
Sources
- RFC 8946: Personal Assertion Token (PASSporT) Extension for Diverted Calls — IETF / RFC Editor · tier 1 standards and regulators · RFC 8946 sections 1 and 3
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting STIR/SHAKEN attestation levels on outbound calls: source note stir-shaken-attestation-troubleshooting-rfc8946-div-purpose. WarmTransfer. https://warmtransfer.net/knowledge/claims/stir-shaken-attestation-troubleshooting-rfc8946-div-purpose
BibTeX
@misc{warmtransfer-claim-stir-shaken-attestation-troubleshooting-rfc8946-div-purpose,
title = {Troubleshooting STIR/SHAKEN attestation levels on outbound calls: source note stir-shaken-attestation-troubleshooting-rfc8946-div-purpose},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/stir-shaken-attestation-troubleshooting-rfc8946-div-purpose},
note = {Source note stir-shaken-attestation-troubleshooting-rfc8946-div-purpose, checked 2026-10-02}
}