{
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  "sourcePath": "src/main/data/docs",
  "docId": "RFC5589",
  "document": {
    "abstract": "This document describes providing Call Transfer capabilities in the Session Initiation Protocol (SIP). SIP extensions such as REFER and Replaces are used to provide a number of transfer services including blind transfer, consultative transfer, and attended transfer. This work is part of the SIP multiparty call control framework. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.",
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      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
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      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "authors": [
      {
        "name": "Robert Sparks"
      },
      {
        "name": "Alan Johnston"
      },
      {
        "name": "Daniel Petrie"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docId": "RFC5589",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docLabel": "IETF RFC 5589",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docNumber": "5589",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docTitle": "Session Initiation Protocol (SIP) Call Control - Transfer",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docType": "Best Practice",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "doi": "10.17487/RFC5589",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "href": "https://doi.org/10.17487/RFC5589",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "keywords": [
      "REFER",
      "GRUU",
      "Attended Transfer",
      "SIP",
      "Blind Transfer"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "REFER",
        "GRUU",
        "Attended Transfer",
        "Target-Dialog",
        "Out of Dialog REFER",
        "SIP",
        "SIP Services",
        "Blind Transfer",
        "SIP Features",
        "Replaces",
        "Referred-By"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T19:29:46.636Z",
      "version": "extractDocs.js@commit:75b379398159"
    },
    "pages": "58",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "publicationDate": "2009-06-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "references": {
      "bibliographic": [
        "RFC4353",
        "RFC4475",
        "RFC4575",
        "RFC4579",
        "RFC5057",
        "orphan/RFC5589/h:d8a5ad03",
        "orphan/RFC5589/h:209caa69"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=13 proseBlocks=17 skippedAnchorBlocks=15",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
        "updated": "2026-10-16T18:55:38.194Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "normative": [
        "RFC2119",
        "RFC3261",
        "RFC3515",
        "RFC3891",
        "RFC3892",
        "RFC4538"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
        "updated": "2026-10-16T18:55:38.194Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc5589/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
      "updated": "2026-10-16T18:55:38.194Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
        "updated": "2026-10-16T18:55:38.194Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "errataExist": true,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
        "updated": "2026-10-16T18:55:38.194Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "errataUrl": [
        "https://www.rfc-editor.org/errata/rfc5589",
        "https://www.rfc-editor.org/errata_search.php?rfc=5589",
        "https://www.rfc-editor.org/rfc/inline-errata/rfc5589.html"
      ],
      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
        "updated": "2026-10-16T18:55:38.194Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
        "updated": "2026-10-16T18:55:38.194Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "statusNote": "Best Current Practice",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
        "updated": "2026-10-16T18:55:38.194Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc5589/",
        "updated": "2026-10-16T18:55:38.194Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
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}