{
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  "document": {
    "abstract": "This document describes how to invoke transcoding services using Session Initiation Protocol (SIP) and third party call control. This way of invocation meets the requirements for SIP regarding transcoding services invocation to support deaf, hard of hearing and speech-impaired individuals. This memo provides information for the Internet community.",
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      "confidence": "high",
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      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "authors": [
      {
        "name": "Gonzalo Camarillo"
      },
      {
        "name": "Eric Burger"
      },
      {
        "name": "Henning Schulzrinne"
      },
      {
        "name": "Arnoud Van Wijk"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "docId": "RFC4117",
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      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "docLabel": "IETF RFC 4117",
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      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
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    "docNumber": "4117",
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      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "docTitle": "Transcoding Services Invocation in the Session Initiation Protocol (SIP) Using Third Party Call Control (3pcc)",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "doi": "10.17487/RFC4117",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "href": "https://doi.org/10.17487/RFC4117",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "keywords": [
      "Deaf",
      "Hard Of Hearing"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "Deaf",
        "Hard Of Hearing",
        "Hearing-impaired"
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      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-17T00:32:38.975Z",
      "version": "extractDocs.js@commit:e15f05a0bdbb"
    },
    "pages": "19",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "publicationDate": "2005-06-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
    },
    "references": {
      "bibliographic": [
        "RFC3351",
        "orphan/RFC4117/h:1dc42135"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=5 proseBlocks=9 skippedAnchorBlocks=6",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
        "updated": "2026-10-16T20:41:40.283Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "normative": [
        "RFC3261",
        "RFC3725",
        "RFC3388"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
        "updated": "2026-10-16T20:41:40.283Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc4117/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
      "updated": "2026-10-16T20:41:40.282Z",
      "version": "extractDocs.js@commit:2c3b1db1b97b"
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    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
        "updated": "2026-10-16T20:41:40.282Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "errataExist": true,
      "errataExist$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/rfc4117/",
        "updated": "2026-10-16T20:41:40.283Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "errataUrl": [
        "https://www.rfc-editor.org/errata/rfc4117",
        "https://www.rfc-editor.org/errata_search.php?rfc=4117",
        "https://www.rfc-editor.org/rfc/inline-errata/rfc4117.html"
      ],
      "errataUrl$meta": {
        "confidence": "high",
        "note": "Parsed from errata links on RFC/Datatracker pages",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
        "updated": "2026-10-16T20:41:40.283Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
        "updated": "2026-10-16T20:41:40.282Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
        "updated": "2026-10-16T20:41:40.282Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4117/",
        "updated": "2026-10-16T20:41:40.282Z",
        "version": "extractDocs.js@commit:2c3b1db1b97b"
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}