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Text back missed callers with Twilio, CallRail, and email alerts

by Dele Tosh @ Protomatedadapted from n8n official workflow galleryUpdated Aug 2026
RequiresCCodeSend EmailSend EmailTwilioTwilio
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WeWhen Call Missed WebhookWhen Call Misse…CoNormalize Call DetailsNormalize Call …IfCheck If Call MissedCheck If Call M…NONo Action - Not Missed CallNo Action - Not…CoCheck After Hours StatusCheck After Hou…CoBuild Text-Back MessageBuild Text-Back…Send SMS via TwilioSend SMS via Tw…IfVerify Text DeliveryVerify Text Del…ESEmail Firm NotificationEmail Firm Noti…EWRun Compliance WorkflowRun Compliance …IfCheck Approval to Send SMSCheck Approval …NONo Action - Contact Opted OutNo Action - Con…123456789101112
1/5
STEPS · 12
Starts on an incoming request

Quick overview This workflow receives missed-call webhooks from Twilio or CallRail, normalizes call details, and instantly sends a compliant text-back via Twilio when allowed, then emails your firm a delivery-status summary. How it works Receives an incoming call event via a webhook from Twilio StatusCallback or a CallRail missed-call webhook. Extracts and standardizes the caller number, caller name, firm number, source, timestamp, and whether the event is a true missed call. Stops processing if the event is not a valid missed call (for example, an answered-call status from Twilio). Determines whether the call occurred outside your configured business hours and adjusts the text wording accordingly. Builds a personalized SMS message using your firm name and booking link and submits it to a separate Bar-Compliance Guardrail workflow for opt-out and TCPA checks. If approved, sends the SMS via Twilio and then emails the firm a summary including the caller details, message text, and whether Twilio returned a delivery SID.

Tags

n8nreference-onlyemail-sendtwilio
Connects
CCodesendemailSend EmailtwilioTwilio
CategoryEmail Send
Triggermanual
Complexitycomplex
Nodes12
AddedJul 15, 2026

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