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Add 1:1 voice calling to a Flutter app in about 10 minutes (no servers to run)

by DevSquare dev.to

5 min read

Adding calls to an app usually means learning WebRTC, running a signaling server, and setting up TURN relays so calls still connect on mobile data. That's weeks of work before you hear a single "hello". In this tutorial we'll skip all of that and build a working 1:1 voice call between two Android phones in Flutter, with: call, accept and reject mute and hang up a "Reconnecting…" state when someon…

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