Robot d'appel vocal IA - Intégration OpenAI GPT-4o + ElevenLabs + Twilio

• •Clé API OpenAI
• •Point de terminaison HTTP Webhook (généré automatiquement par n8n)
• •Peut nécessiter les informations d'identification d'authentification de l'API cible
• •Informations d'identification Google Sheets API

{
  "id": "ai-voice-calling-bot",
  "meta": {
    "instanceId": "12345abcde67890fghij",
    "templateCredsSetupCompleted": true
  },
  "name": "AI Voice Calling Bot - OpenAI GPT-4o + ElevenLabs + Twilio Integration",
  "tags": [
    {
      "id": "ai-voice-bot",
      "name": "AI Voice Bot",
      "createdAt": "2024-01-01T00:00:00.000Z",
      "updatedAt": "2024-01-01T00:00:00.000Z"
    }
  ],
  "nodes": [
    {
      "id": "webhook-start",
      "name": "Twilio Voice Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        240,
        300
      ],
      "webhookId": "voice-webhook-start",
      "parameters": {
        "path": "voice-webhook",
        "options": {},
        "httpMethod": "POST",
        "responseMode": "responseNode"
      },
      "typeVersion": 1
    },
    {
      "id": "check-speech-input",
      "name": "Vérifier la saisie vocale",
      "type": "n8n-nodes-base.if",
      "position": [
        460,
        300
      ],
      "parameters": {
        "conditions": {
          "options": {
            "leftValue": "={{ $json.SpeechResult }}",
            "operation": "exists",
            "caseSensitive": true
          }
        }
      },
      "typeVersion": 1
    },
    {
      "id": "openai-gpt",
      "name": "OpenAI GPT-4o Response",
      "type": "n8n-nodes-base.openAi",
      "position": [
        680,
        200
      ],
      "parameters": {
        "model": "gpt-4o",
        "options": {
          "maxTokens": 150,
          "temperature": 0.7
        },
        "messages": {
          "values": [
            {
              "role": "system",
              "content": "You are a helpful AI assistant for a service business. You can help customers:\n1. Schedule appointments (collect name, phone, preferred date/time, service type)\n2. Order pizza (collect size, toppings, address, phone)\n3. Book other services (collect relevant details)\n\nAlways be polite, concise, and gather necessary information step by step. Keep responses under 100 words for voice calls. End with a clear question or next step."
            },
            {
              "role": "user",
              "content": "={{ $json.SpeechResult || 'Hello, how can I help you today?' }}"
            }
          ]
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "openai-creds",
          "name": "OpenAI API"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "elevenlabs-tts",
      "name": "ElevenLabs Text-to-Speech",
      "type": "n8n-nodes-base.elevenLabs",
      "position": [
        900,
        200
      ],
      "parameters": {
        "text": "={{ $json.choices[0].message.content }}",
        "model_id": "eleven_monolingual_v1",
        "voice_id": "21m00Tcm4TlvDq8ikWAM",
        "voice_settings": {
          "style": 0,
          "stability": 0.75,
          "similarity_boost": 0.75,
          "use_speaker_boost": true
        }
      },
      "credentials": {
        "elevenLabsApi": {
          "id": "elevenlabs-creds",
          "name": "ElevenLabs API"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "upload-audio",
      "name": "Téléverser l'audio vers le stockage",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1120,
        200
      ],
      "parameters": {
        "operation": "upload",
        "additionalFields": {
          "fileName": "response.mp3",
          "contentType": "audio/mpeg"
        },
        "binaryPropertyName": "data"
      },
      "typeVersion": 3
    },
    {
      "id": "twilio-response",
      "name": "Twilio TwiML Response",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1340,
        200
      ],
      "parameters": {
        "twiml": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Play>{{ $json.audio_url }}</Play>\n  <Gather input=\"speech\" timeout=\"10\" speechTimeout=\"auto\" action=\"{{ $node.webhook.getWebhookUrl() }}\" method=\"POST\">\n    <Say voice=\"alice\">Please speak after the tone.</Say>\n  </Gather>\n  <Say voice=\"alice\">I didn't hear anything. Goodbye!</Say>\n  <Hangup/>\n</Response>"
      },
      "typeVersion": 1
    },
    {
      "id": "initial-greeting",
      "name": "Salutation initiale",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        680,
        400
      ],
      "parameters": {
        "twiml": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Say voice=\"alice\">Hello! I'm your AI assistant. I can help you schedule appointments, order pizza, or book services. How can I help you today?</Say>\n  <Gather input=\"speech\" timeout=\"10\" speechTimeout=\"auto\" action=\"{{ $node['Twilio Voice Webhook'].getWebhookUrl() }}\" method=\"POST\">\n    <Say voice=\"alice\">Please speak after the tone.</Say>\n  </Gather>\n  <Say voice=\"alice\">I didn't hear anything. Please call back. Goodbye!</Say>\n  <Hangup/>\n</Response>"
      },
      "typeVersion": 1
    },
    {
      "id": "log-conversation",
      "name": "Journaliser la conversation",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        900,
        400
      ],
      "parameters": {
        "columns": {
          "value": {
            "call_sid": "={{ $json.CallSid }}",
            "caller_id": "={{ $json.From }}",
            "timestamp": "={{ $now }}",
            "ai_response": "={{ $json.choices[0].message.content }}",
            "speech_input": "={{ $json.SpeechResult }}"
          },
          "mappingMode": "defineBelow"
        },
        "options": {},
        "operation": "append",
        "sheetName": "Call_Logs",
        "documentId": "your-google-sheet-id"
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "google-sheets-creds",
          "name": "Google Sheets"
        }
      },
      "typeVersion": 3
    },
    {
      "id": "check-appointment",
      "name": "Vérifier un rendez-vous",
      "type": "n8n-nodes-base.if",
      "position": [
        1120,
        400
      ],
      "parameters": {
        "conditions": {
          "options": {
            "leftValue": "={{ $json.choices[0].message.content.toLowerCase() }}",
            "operation": "contains",
            "rightValue": "appointment",
            "caseSensitive": false
          }
        }
      },
      "typeVersion": 1
    },
    {
      "id": "save-appointment",
      "name": "Enregistrer la demande de rendez-vous",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1340,
        500
      ],
      "parameters": {
        "columns": {
          "value": {
            "status": "pending",
            "call_sid": "={{ $json.CallSid }}",
            "caller_id": "={{ $json.From }}",
            "timestamp": "={{ $now }}",
            "request_details": "={{ $json.SpeechResult }}"
          },
          "mappingMode": "defineBelow"
        },
        "operation": "append",
        "sheetName": "Appointments",
        "documentId": "your-appointments-sheet-id"
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "google-sheets-creds",
          "name": "Google Sheets"
        }
      },
      "typeVersion": 3
    }
  ],
  "active": true,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "1",
  "connections": {
    "log-conversation": {
      "main": [
        [
          {
            "node": "check-appointment",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "check-speech-input": {
      "main": [
        [
          {
            "node": "openai-gpt",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "initial-greeting",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "webhook-start": {
      "main": [
        [
          {
            "node": "check-speech-input",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "check-appointment": {
      "main": [
        [
          {
            "node": "save-appointment",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    },
    "openai-gpt": {
      "main": [
        [
          {
            "node": "elevenlabs-tts",
            "type": "main",
            "index": 0
          },
          {
            "node": "log-conversation",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "upload-audio": {
      "main": [
        [
          {
            "node": "twilio-response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "elevenlabs-tts": {
      "main": [
        [
          {
            "node": "upload-audio",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}