Good summary of several red-flags in regards to using the Signal messenger.

Also interesting is this one.

Use a locally hosted XMPP with the Conversations client :)

    • poVoq@lemmy.mlOP
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      4 years ago

      The contact you want to call has to have a compatible client as well otherwise it does not show AFAIK. And your server might not be configured for STUN autodiscovery.