RFC 8588 itself does not specify whether the signed orig number comes from From or P-Asserted-Identity; that choice is left to RFC 8224 local policy and the SHAKEN profile.
inferred · Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- Identity header
- Deployment
- multi-tenant
- Region
- us
- Release range
- RFC 8588
- Status
- inferred
- Checked
- 2026-10-02
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 · Whole document (absence of header-selection text, as reported by fetch)
Cite this note
APA
WarmTransfer. (2026, October 2). SIP identity headers: P-Asserted-Identity and Diversion and History-Info: source note sip-identity-headers-shaken-no-header-choice. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-identity-headers-shaken-no-header-choice
BibTeX
@misc{warmtransfer-claim-sip-identity-headers-shaken-no-header-choice,
title = {SIP identity headers: P-Asserted-Identity and Diversion and History-Info: source note sip-identity-headers-shaken-no-header-choice},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-identity-headers-shaken-no-header-choice},
note = {Source note sip-identity-headers-shaken-no-header-choice, checked 2026-10-02}
}