Secure Telephone Identity Revisited (STIR) Out-of-Band Architecture and Use Cases
RFC 8816

Received changes through RFC Editor sync (created alias RFC 8816, changed title to 'Secure Telephone Identity Revisited (STIR) Out-of-Band Architecture and Use Cases', changed abstract to 'The Personal Assertion Token (PASSporT) format defines a token that can be carried by signaling protocols, including SIP, to cryptographically attest the identity of callers.  However, not all telephone calls use Internet signaling protocols, and some calls use them for only part of their signaling path, while some cannot reliably deliver SIP header fields end-to-end.  This document describes use cases that require the delivery of PASSporT objects outside of the signaling path, and defines architectures and semantics to provide this functionality.', changed pages to 24, changed standardization level to Informational, changed state to RFC, added RFC published event at 2021-02-11, changed IESG state to RFC Published)