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Send SMS with USB GSM modem when alarm triggered - #319 by 19leva89 - Share your Projects! - Home Assistant Community
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Send SMS with USB GSM modem when alarm triggered - #319 by 19leva89 - Share your Projects! - Home Assistant Community
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debian - 3G USB modem recognized but no ttyUSBx device available. Works on one device, fails on 2 - Unix & Linux Stack Exchange
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