I built an SMS gateway API using a Pi now I can send notifications to my phone even if the internet goes out. Tutorial in the comments : r/homelab
VNS4400 - Wireless SMS Gateway for instant alerts & notifications
GitHub - nerdinand/SMSGateway: A very hacky Android SMS gateway app. Enables you to connect via telnet via USB (after forwarding a port with adb) and send and receive SMS via the phone.
GitHub - Domochip/sms2mqtt: Gateway to send/receive SMS through MQTT using an USB GSM dongle (gammu)
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