{
  "@context": {
    "@version": 1.1,
    "schema": "https://schema.org/",
    "telefon": "https://developers.telefon.com/schema/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "Call": "telefon:Call",
    "Message": "telefon:Message",
    "Recording": "telefon:Recording",
    "Transcription": "telefon:Transcription",
    "Conference": "telefon:Conference",
    "PhoneNumber": "schema:ContactPoint",
    "id": { "@id": "schema:identifier", "@type": "xsd:string" },
    "status": { "@id": "telefon:status", "@type": "xsd:string" },
    "direction": { "@id": "telefon:direction", "@type": "xsd:string" },
    "from": { "@id": "schema:sender", "@type": "xsd:string" },
    "to": { "@id": "schema:recipient", "@type": "xsd:string" },
    "body": { "@id": "schema:text", "@type": "xsd:string" },
    "duration": { "@id": "schema:duration", "@type": "xsd:integer" },
    "start_time": { "@id": "schema:startTime", "@type": "xsd:dateTime" },
    "end_time": { "@id": "schema:endTime", "@type": "xsd:dateTime" },
    "price": { "@id": "schema:price", "@type": "xsd:string" },
    "price_unit": { "@id": "schema:priceCurrency", "@type": "xsd:string" },
    "recording_url": { "@id": "telefon:recordingUrl", "@type": "xsd:anyURI" },
    "media_url": { "@id": "schema:contentUrl", "@type": "xsd:anyURI" },
    "phone_number": { "@id": "schema:telephone", "@type": "xsd:string" },
    "country_code": { "@id": "schema:addressCountry", "@type": "xsd:string" },
    "friendly_name": { "@id": "schema:name", "@type": "xsd:string" },
    "date_created": { "@id": "schema:dateCreated", "@type": "xsd:dateTime" },
    "transcript_text": { "@id": "schema:text", "@type": "xsd:string" },
    "language_code": { "@id": "schema:inLanguage", "@type": "xsd:string" },
    "confidence": { "@id": "telefon:confidence", "@type": "xsd:decimal" }
  }
}