Escalate IoT Sensor Alerts Through Slack, SMS, and Phone
When an IoT sensor reading crosses a critical threshold, escalate the alert step by step — Slack first, then SMS, then a phone call — until someone acknowledges.
- 1
Ingest Sensor Readings
Add an
MQTT Trigger(orWebhook) node receiving readings from your sensors or gateway. - 2
Check the Threshold
Add an
IFnode continuing only when a reading crosses your critical limit, e.g. temperature above a safe maximum. - 3
Alert in Slack First
Add a
Slacknode posting the alert with an acknowledge button and start aWaittimer for a response. - 4
Escalate If Unacknowledged
If no acknowledgment within the wait, add a
TwilioSMS step, then a further wait, then aTwiliovoice call to the on-call number. - 5
Activate and Test
Activate the workflow and feed a test over-threshold reading. Confirm the escalation chain advances until you acknowledge.
Frequently asked questions
How do I stop escalation once acknowledged?
Have the acknowledge button hit a webhook that sets a flag the escalation steps check, halting further channels.
Can I rotate on-call people?
Yes. Store an on-call schedule in a sheet and look up the current person's contact details before escalating.
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