{"product_id":"missed-call-sms-auto-reply-with-gpt-4o-twilio-n8n","title":"Missed Call SMS Auto-Reply with GPT-4o, Twilio \u0026 n8n","description":"\u003ch3\u003eTurn missed calls into SMS replies—automatically\u003c\/h3\u003e\n\u003cp\u003eMissed Call SMS Auto-Reply with GPT-4o, Twilio \u0026amp; n8n automatically receives missed-call webhooks, drafts a personalized SMS text-back with OpenAI (GPT-4o), sends it via Twilio, and logs every “rescue” to Google Sheets while notifying you in Slack.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives missed\/unanswered call events:\u003c\/strong\u003e A POST webhook triggers the workflow when your phone system reports a missed or unanswered call.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNormalizes the payload and avoids false replies:\u003c\/strong\u003e The workflow normalizes incoming call details from common formats (including Twilio, CallRail, or 3CX) and \u003cem\u003estops\u003c\/em\u003e if the call status indicates it was answered.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrafts a personalized SMS with GPT-4o:\u003c\/strong\u003e It sends caller details and your provided business context to OpenAI to generate a short, personalized text-back.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoutes and sends the SMS via Twilio:\u003c\/strong\u003e Based on your configured \u003cstrong\u003esendMode\u003c\/strong\u003e, the workflow routes the SMS for owner review or sends it directly to the caller using your Twilio phone number.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogs and alerts:\u003c\/strong\u003e It appends the event details and drafted message to \u003cstrong\u003eGoogle Sheets\u003c\/strong\u003e and posts an alert to your \u003cstrong\u003eSlack\u003c\/strong\u003e channel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocal service businesses:\u003c\/strong\u003e Missed calls become immediate SMS follow-ups with a booking link.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSaaS teams with phone support:\u003c\/strong\u003e Capture lost leads instantly and send a text-back requesting the next best time to connect.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAgencies \u0026amp; call-tracking setups:\u003c\/strong\u003e Work with Twilio, CallRail, or 3CX payloads and keep a clear audit trail in Google Sheets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrations \/ nodes:\u003c\/strong\u003e webhook, set, code, sticky note, OpenAI (GPT-4o), Twilio, Slack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptional storage:\u003c\/strong\u003e Google Sheets for logging missed-call events and drafted SMS content\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetup highlights:\u003c\/strong\u003e Configure your phone system webhook URL, update Settings (business name, owner mobile, Twilio number, booking link, sendMode, business context), add Twilio + OpenAI credentials, and (optional) add Google Sheets + Slack credentials.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45830432555187,"sku":"N8N-18214","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/hLMYiSp3TxdnTOvcKe7Iv_ZWPooL0O.png?v=1786698935","url":"https:\/\/buyflowscripts.com\/products\/missed-call-sms-auto-reply-with-gpt-4o-twilio-n8n","provider":"N8N Commerce","version":"1.0","type":"link"}