"au bout du fil" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "inv": "y"
      },
      "expansion": "au bout du fil (invariable)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French 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": "fr",
          "name": "Telephony",
          "orig": "fr:Telephony",
          "parents": [
            "Electronics",
            "Telecommunications",
            "Technology",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "on (receiving end of) the phone"
      ],
      "id": "en-au_bout_du_fil-fr-adj-q4~4CNMo",
      "links": [
        [
          "telephony",
          "telephony"
        ],
        [
          "phone",
          "phone"
        ]
      ],
      "raw_glosses": [
        "(telephony) on (receiving end of) the phone"
      ],
      "tags": [
        "invariable"
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications",
        "telephony"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/o bu dy fil/"
    }
  ],
  "word": "au bout du fil"
}

{
  "head_templates": [
    {
      "args": {
        "inv": "y"
      },
      "expansion": "au bout du fil (invariable)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "French adjectives",
        "French entries with incorrect language header",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Telephony"
      ],
      "glosses": [
        "on (receiving end of) the phone"
      ],
      "links": [
        [
          "telephony",
          "telephony"
        ],
        [
          "phone",
          "phone"
        ]
      ],
      "raw_glosses": [
        "(telephony) on (receiving end of) the phone"
      ],
      "tags": [
        "invariable"
      ],
      "topics": [
        "communications",
        "electrical-engineering",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "telecommunications",
        "telephony"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/o bu dy fil/"
    }
  ],
  "word": "au bout du fil"
}