Real-time push-to-talk walkie-talkie server in Java 25 + Spring Boot 4.1 — streams live audio (48 kHz Opus) between users over a WebSocket relay or WebRTC, with browser and desktop clients.
java spring-boot gradle websocket webrtc audio-streaming voice-chat opus voip push-to-talk walkie-talkie end-to-end-encryption real-time-audio webcodecs virtual-threads
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Updated
Jul 1, 2026 - Java