https://app.knowbase.one/vault/rfc/docid/268
RFC9060: Secure Telephone Identity Revisited (STIR) Certificate Delegation
Internet Engineering Task Force (IETF) J. Peterson Request for Comments: 9060 Neustar Category: Standards Track September 2021 ISSN: 2070-1721 Secure Telephone Identity Revisited (STIR) Certificate ...