"demon dialing" meaning in English

{
  "etymology_text": "From the Demon Dialer product from Zoom Telephonics, Inc., a telephone device produced in the 1980s which repeatedly dialed busy telephone numbers under control of an extension phone.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "demon dialing (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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Telephony",
          "orig": "en:Telephony",
          "parents": [
            "Electronics",
            "Telecommunications",
            "Technology",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The use of a computer to dial a number repeatedly (usually to a crowded modem pool) in an attempt to gain access immediately after another user has hung up."
      ],
      "id": "en-demon_dialing-en-noun-8zwT3Arl",
      "links": [
        [
          "telephony",
          "telephony"
        ],
        [
          "computer",
          "computer"
        ],
        [
          "modem",
          "modem"
        ],
        [
          "pool",
          "pool"
        ],
        [
          "access",
          "access"
        ],
        [
          "user",
          "user"
        ]
      ],
      "raw_glosses": [
        "(telephony) The use of a computer to dial a number repeatedly (usually to a crowded modem pool) in an attempt to gain access immediately after another user has hung up."
      ],
      "related": [
        {
          "word": "war-dial"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications",
        "telephony"
      ],
      "wikipedia": [
        "demon dialing"
      ]
    }
  ],
  "word": "demon dialing"
}

{
  "etymology_text": "From the Demon Dialer product from Zoom Telephonics, Inc., a telephone device produced in the 1980s which repeatedly dialed busy telephone numbers under control of an extension phone.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "demon dialing (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "war-dial"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Telephony"
      ],
      "glosses": [
        "The use of a computer to dial a number repeatedly (usually to a crowded modem pool) in an attempt to gain access immediately after another user has hung up."
      ],
      "links": [
        [
          "telephony",
          "telephony"
        ],
        [
          "computer",
          "computer"
        ],
        [
          "modem",
          "modem"
        ],
        [
          "pool",
          "pool"
        ],
        [
          "access",
          "access"
        ],
        [
          "user",
          "user"
        ]
      ],
      "raw_glosses": [
        "(telephony) The use of a computer to dial a number repeatedly (usually to a crowded modem pool) in an attempt to gain access immediately after another user has hung up."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications",
        "telephony"
      ],
      "wikipedia": [
        "demon dialing"
      ]
    }
  ],
  "word": "demon dialing"
}