RFC 8224 authentication services take the originator's identity typically from the From header, and its guidance also applies to taking it from P-Asserted-Identity where local policy in a trusted environment dictates.

Checked 2026-09-25

Vendor
IETF
Product
SIP STIR
Subsystem
call authentication
Deployment
any
Region
not restricted
Release range
RFC 8224
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-stir-from-or-pai. WarmTransfer. https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-stir-from-or-pai

BibTeX

@misc{warmtransfer-claim-caller-id-presentation-problems-stir-from-or-pai,
  title  = {Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-stir-from-or-pai},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-stir-from-or-pai},
  note   = {Source note caller-id-presentation-problems-stir-from-or-pai, checked 2026-09-25}
}

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