"keyphone" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "key",
        "3": "phone"
      },
      "expansion": "key + phone",
      "name": "compound"
    }
  ],
  "etymology_text": "From key + phone.",
  "forms": [
    {
      "form": "keyphones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "keyphone (plural keyphones)",
      "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": [
        "A desk telephone with additional buttons and features."
      ],
      "id": "en-keyphone-en-noun-O2wVmTx5",
      "links": [
        [
          "desk",
          "desk"
        ],
        [
          "telephone",
          "telephone"
        ],
        [
          "button",
          "button"
        ],
        [
          "feature",
          "feature"
        ]
      ]
    }
  ],
  "word": "keyphone"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "key",
        "3": "phone"
      },
      "expansion": "key + phone",
      "name": "compound"
    }
  ],
  "etymology_text": "From key + phone.",
  "forms": [
    {
      "form": "keyphones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "keyphone (plural keyphones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Telephony"
      ],
      "glosses": [
        "A desk telephone with additional buttons and features."
      ],
      "links": [
        [
          "desk",
          "desk"
        ],
        [
          "telephone",
          "telephone"
        ],
        [
          "button",
          "button"
        ],
        [
          "feature",
          "feature"
        ]
      ]
    }
  ],
  "word": "keyphone"
}