{
  "code": "33.040.30",
  "fieldcode": "33",
  "description": "Switching and signalling systems",
  "groupcode": "040",
  "subgroupcode": "30",
  "@context": "https://isoics.org/ics/ns/subgroup.jsonld",
  "descriptionFull": "Telecommunications. Audio and video engineering. Telecommunication systems. Switching and signalling systems.",
  "notes": [
    {
      "text": "Including telecommunication call charging and billing aspects"
    }
  ]
}