{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-12T21:13:02.904Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC3263",
  "document": {
    "abstract": "The Session Initiation Protocol (SIP) uses DNS procedures to allow a client to resolve a SIP Uniform Resource Identifier (URI) into the IP address, port, and transport protocol of the next hop to contact. It also uses DNS to allow a server to send a response to a backup client if the primary client has failed. This document describes those DNS procedures in detail. [STANDARDS-TRACK]",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "authors": [
      {
        "name": "Jonathan Rosenberg"
      },
      {
        "name": "Henning Schulzrinne"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "docId": "RFC3263",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "docLabel": "IETF RFC 3263",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "docNumber": "3263",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "docTitle": "Session Initiation Protocol (SIP): Locating SIP Servers",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "docType": "Standard",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "doi": "10.17487/RFC3263",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "href": "https://doi.org/10.17487/RFC3263",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "keywords": [
      "SIP",
      "Multimedia",
      "Multicast",
      "Unicast"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "pages": "17",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "publicationDate": "2002-07-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "references": {
      "bibliographic": [
        "RFC2543",
        "orphan/RFC3263/h:0b87da10",
        "orphan/RFC3263/h:770c4860"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=8 proseBlocks=12 skippedAnchorBlocks=9",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
        "updated": "2026-10-12T21:13:02.904Z",
        "version": "extractDocs.js@commit:291bb05ea30a"
      },
      "normative": [
        "RFC3261",
        "RFC2782",
        "RFC2915",
        "RFC2119",
        "RFC2434"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
        "updated": "2026-10-12T21:13:02.904Z",
        "version": "extractDocs.js@commit:291bb05ea30a"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc3263/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
      "updated": "2026-10-12T21:13:02.904Z",
      "version": "extractDocs.js@commit:291bb05ea30a"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
        "updated": "2026-10-12T21:13:02.904Z",
        "version": "extractDocs.js@commit:291bb05ea30a"
      },
      "amendedBy": [
        "RFC7984",
        "RFC8553"
      ],
      "amendedBy$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
        "updated": "2026-10-12T21:13:02.904Z",
        "version": "extractDocs.js@commit:291bb05ea30a"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
        "updated": "2026-10-12T21:13:02.904Z",
        "version": "extractDocs.js@commit:291bb05ea30a"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
        "updated": "2026-10-12T21:13:02.904Z",
        "version": "extractDocs.js@commit:291bb05ea30a"
      },
      "statusNote": "Proposed Standard",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
        "updated": "2026-10-12T21:13:02.904Z",
        "version": "extractDocs.js@commit:291bb05ea30a"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
        "updated": "2026-10-12T21:13:02.904Z",
        "version": "extractDocs.js@commit:291bb05ea30a"
      },
      "supersedes": [
        "RFC2543"
      ],
      "supersedes$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc3263/",
        "updated": "2026-10-12T21:13:02.904Z",
        "version": "extractDocs.js@commit:291bb05ea30a"
      }
    }
  }
}