What about something like Zello? PTT over Wi-Fi from any mobile phone. Source: about 1 year ago

It’s an app that’s supposed to be kind of like a walk-ie talkie/live chat, link here: https://zello.com. Source: over 2 years ago

Just tried to reconnect to the main cojnvoy to Ottawa channel and it now has a message saying "to connect to this channel, sign into zello.com and verify your e-mail address.". Source: over 2 years ago

I would suggest taking a look at Zello. It has a VoX feature. Not sure about using it for Google voice commands, or listening to music. Zello was designed for communication between people. Source: over 2 years ago

Link to their website : https://zello.com/. Source: over 2 years ago

Check out https://molly.im/. It's a hardened Signal fork with one version stripping the google dependencies out of it. Push notifications work flawlessly even with battery optimization enabled. Source: about 1 year ago

The one benefit is that we now have no reason NOT to use Molly (the hardened version of Signal). Previously I didn't just because of sms. https://molly.im/. Source: about 1 year ago

Hi, you can add the repository in fdroid of a fork of signal, Molly Molly , you have a FOSS version. Source: over 1 year ago

Signal uses Curve25519, AES-256, and HMAC-SHA256 for its e2e encryption. So unless you believe those algorithms are insecure, there's no reason to think that their server setup is a compromise on your messages' security. Fear of "future decryption" applies equally to all forms of encrypted communication, regardless of which servers the messages go through. And since AES-256 is known to resist quantum computing... - Source: Hacker News / over 1 year ago

I don't know if they are technically allowed but https://molly.im exists. - Source: Hacker News / over 1 year ago