{ "draft": "draft-ietf-stir-servprovider-oob-08", "doc_id": "RFC9888", "title": "Out-of-Band Secure Telephone Identity Revisited (STIR) for Service Providers", "authors": [ "J. Peterson" ], "format": [ "XML", "TEXT", "HTML", "PDF" ], "page_count": "9", "pub_status": "PROPOSED STANDARD", "status": "PROPOSED STANDARD", "source": "Secure Telephone Identity Revisited", "abstract": "The Secure Telephone Identity Revisited (STIR) framework defines means of carrying its Personal Assertion Tokens (PASSporTs) either in-band, within the headers of a Session Initiation Protocol (SIP) request, or out-of-band, through a service that stores PASSporTs for retrieval by relying parties. This specification defines a way that the out-of-band conveyance of PASSporTs can be used to support large service providers for cases in which in-band STIR conveyance is not universally available.", "pub_date": "June 2026", "keywords": [ "SIP" ], "obsoletes": [], "obsoleted_by": [], "updates": [], "updated_by": [], "see_also": [], "doi": "10.17487/RFC9888", "errata_url": null }