this post was submitted on 02 Jun 2026
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I've been searching for a while via Ecosia, Google etc. and on Reddit but I'm struggling to find an answer.

My parents are moving together with my grandma to a new house with a little annex for my grandma. They're planning to get Alexa's so that my grandma can call through to the other side of the house if she falls over or needs help. I would love for them not to end up giving every conversation they ever have to Amazon's servers... Is there any way to replicate this functionality in Home Assistant (i.e. call between satellites across the network)? If I can figure this out I'll build a self-hosted setup for them.

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[–] rmuk@feddit.uk 1 points 1 hour ago

I don't have an answer to the direct question, but if she would struggle to use her phone in that situation I also imagine she might struggle to clearly say "Hey Alexa, make a call to Mommy Jim" or whatever. I'm walking at the moment so I don't have the details to hand, but mmwave presence sensors can distinguish between someone standing and lying down. You can also buy Bluetooth wristbands that can detect if the wearer falls. It might be worth figuring out if a fall can be sensed rather than reported.