Subscriber trunk dialling

{
  "id": "MLC-T-IND-005747",
  "term": "Subscriber trunk dialling",
  "field": "Industrial and trades",
  "definition": "A telecommunication service that allows telephone subscribers to directly dial long-distance calls without the assistance of an operator. This system uses specific numerical codes, known as area codes or trunk codes, to route calls to different geographical regions. It revolutionized long-distance communication by providing direct access and reducing call setup times.",
  "synonyms": [
    "STD"
  ],
  "subject": "Electrical engineering",
  "see_also": [
    "STD"
  ],
  "translations": {
    "de": "Subscriber Trunk Dialling",
    "es": "marcación directa de abonado",
    "fr": "composition interurbaine automatique"
  },
  "url": "https://mlchart.com/terminology/industrial/subscriber-trunk-dialling/"
}