Source note · Wrong or missing caller ID on outbound calls
The SHAKEN PASSporT 'attest' claim takes the values A, B or C, meaning Full, Partial and Gateway Attestation respectively.
Checked 2026-09-25
- Vendor
- IETF
- Product
- SHAKEN PASSporT
- Subsystem
- call authentication
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 8588
- Checked
- 2026-09-25
Sources
- RFC 8588: Personal Assertion Token (PaSSporT) Extension for Signature-based Handling of Asserted information using toKENs (SHAKEN) — IETF / RFC Editor · tier 1 standards and regulators · Section 4 (PASSporT 'attest' claim)
Cite this note
APA
WarmTransfer. (2026, September 25). Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-shaken-attest-levels. WarmTransfer. https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-shaken-attest-levels
BibTeX
@misc{warmtransfer-claim-caller-id-presentation-problems-shaken-attest-levels,
title = {Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-shaken-attest-levels},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-shaken-attest-levels},
note = {Source note caller-id-presentation-problems-shaken-attest-levels, checked 2026-09-25}
}