Would you require 3rd party software to enable an SMS to be send via an GSM device when an event or alarm is triggered in a Pi system
If you're already using PI Notifications, then the best way to have PI send alarms via SMS/text is to follow KB00294 - How do I set up PI Notifications to send text messages to my cellular phone. The solution is essentially one of these:
1. Use email delivery endpoint to send emails to carrier's SMS gateway
2. Use web service delivery endpoint to contact SMS web service
3. Use custom SMS delivery endpoint implementation.
Note that the third option is not supported in Notifications 2016 R2 and later.
Check the KB for more details. I hope this helps!
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