this post was submitted on 29 Mar 2025
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Privacy

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I've been thinking about this for a bit but I couldn't come up with anything.

The idea is that you have a VOIP number and some self-hosted VOIP infrastructure connected to a landline phone. WhatsApp, Signal and voice traffic from other apps would be redirected to this landline phone instead of your mobile phone.

Is there a way to do this? How do I get started?

Reasoning: I can now keep my phone isolated, wrapped in a thick towel and inside a solid box to prevent it from eavesdropping on me inside my own house.

Please do not respond with messages like "you're too paranoid", it doesn't help.

Thanks

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[–] anamethatisnt@sopuli.xyz 8 points 1 week ago (1 children)

You could use a computer with a headset as a linked device, that's the closest I can think of.

[–] marauding_gibberish142@lemmy.dbzer0.com 1 points 1 week ago (1 children)

Hmm, do you think there's a way to have the ringing happen on the speakers but the conversation on the headphones? TBH if this is possible then I don't need to use such complicated measures

[–] pineapplelover@lemm.ee 1 points 1 week ago

If you're on the pc you can just switch audio output to your speakers, then run to your pc and switch audio output to headphones to proceed with the call

[–] harcesz@szmer.info 4 points 1 week ago

Interesting concept. There's https://github.com/AsamK/signal-cli which specifically allows piping messages from Signal to another process, but at a glance its not clear if it allows for that with audio calls.

[–] Deello@lemm.ee 2 points 1 week ago

Haven't had landlines in a long time but when I did I remember looking at cordless phones with Bluetooth to connect to your cell phone so you can answer both phones (cell phone and landline) on the handset. Beyond that look into pbx.

[–] Firipu@startrek.website 2 points 1 week ago (1 children)

Not to argue about the privacy issue, but aren't there better options than a towel? Get a phone without camera? Get one of those phones with physical switches for sensors? Get graphene OS and don't install anything but signal? I feel the towel wrapping is not the best solution for your privacy issue.

The issue is cost. Purchasing a pixel just to keep it lying around for one app is a bit too expensive. I'll just use my of phone instead

[–] James_Ryan@discuss.tchncs.de 1 points 1 week ago

Why not use the clients for Pc?

[–] Dropper_Post@lemm.ee 1 points 1 week ago (1 children)

Wrapped in towel inside solid box? Would wifi or 4g work then reliably?

[–] marauding_gibberish142@lemmy.dbzer0.com 1 points 1 week ago (1 children)

I'm not putting it in a Faraday cage, just preventing it from listening and seeing anything. I'll place it closer to my WAP if it needs it

[–] Jason2357@lemmy.ca 1 points 1 week ago

Might be easiest to just drill out the mic and camera, and use a usb headset for calls. I also suggest specific threat modelling and learning about opsec as that may help you feel more in control. After that, please look after your mental well-being. We all should.