"subscriber trunk dialling" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "subscriber trunk dialling (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Telephony",
          "orig": "en:Telephony",
          "parents": [
            "Electronics",
            "Telecommunications",
            "Technology",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1964 August, “The NER's microwave radio-telephone begins work”, in Modern Railways, page 130",
          "text": "This NER microwave radio telephone link will bring subscriber trunk dialling facilities to no fewer than 3,000 railway telephones at York, Newcastle, Darlington, Middlesbrough and Leeds and points as far north as Berwick-upon-Tweed.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A system of automatic connection of trunk calls through dialling a phone number without operator assistance."
      ],
      "id": "en-subscriber_trunk_dialling-en-noun-c0~d8QDQ",
      "links": [
        [
          "telephony",
          "telephony"
        ],
        [
          "trunk call",
          "trunk call"
        ],
        [
          "operator",
          "operator"
        ]
      ],
      "raw_glosses": [
        "(telephony, British spelling) A system of automatic connection of trunk calls through dialling a phone number without operator assistance."
      ],
      "synonyms": [
        {
          "word": "STD"
        }
      ],
      "tags": [
        "UK",
        "uncountable"
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications",
        "telephony"
      ]
    }
  ],
  "word": "subscriber trunk dialling"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "subscriber trunk dialling (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English forms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "en:Telephony"
      ],
      "examples": [
        {
          "ref": "1964 August, “The NER's microwave radio-telephone begins work”, in Modern Railways, page 130",
          "text": "This NER microwave radio telephone link will bring subscriber trunk dialling facilities to no fewer than 3,000 railway telephones at York, Newcastle, Darlington, Middlesbrough and Leeds and points as far north as Berwick-upon-Tweed.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A system of automatic connection of trunk calls through dialling a phone number without operator assistance."
      ],
      "links": [
        [
          "telephony",
          "telephony"
        ],
        [
          "trunk call",
          "trunk call"
        ],
        [
          "operator",
          "operator"
        ]
      ],
      "raw_glosses": [
        "(telephony, British spelling) A system of automatic connection of trunk calls through dialling a phone number without operator assistance."
      ],
      "synonyms": [
        {
          "word": "STD"
        }
      ],
      "tags": [
        "UK",
        "uncountable"
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications",
        "telephony"
      ]
    }
  ],
  "word": "subscriber trunk dialling"
}