How to encrypt regular phone calls? (lemmy.zip)

submitted 7 months ago by MrSoup@lemmy.zip to c/privacy@lemmy.ml

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Is it even possible on android? Is there a FOSS dialer to optionally encrypt some phone calls (non voip) using a pre-shared key with other party?

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[-] KillingAndKindess@lemmy.blahaj.zone 4 points 7 months ago

My understanding of the way a phone call works leads me to believe the data would not survive the dynamic compression done at the various transmission points like towers, relays, or the occasional satellite. If neither party is moving and the towers in use do not change in load, it might be possible, but at that point you're more tethered down than if you used a VPN.

this post was submitted on 16 Apr 2024

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