How to Add Proximity Voice Chat to Your Minecraft Server
Why Proximity Voice Chat?
Proximity voice chat transforms Minecraft multiplayer — players hear each other based on in-game distance, making social interaction feel natural. It's the #1 most-requested feature for SMP servers in 2026. The Simple Voice Chat mod by henkelmax is the industry standard: it works on Fabric and Forge, supports groups, push-to-talk, and has a clean UI. Both server and clients need the mod installed.
Installing Simple Voice Chat Server-Side
Download the Simple Voice Chat server jar for your mod loader (Fabric/Forge). Drop it into your server's mods folder. Configure the voice chat port in voicechat/voicechat-server.properties: set 'port' to 24454 (default UDP port for voice). Open this port in your firewall: 'sudo ufw allow 24454/udp'. Restart your server. Voice chat is now enabled — players with the mod installed will automatically connect to voice.
Configuring Voice Settings
voicechat-server.properties key settings: 'max_voice_distance' (default 48 blocks — increase for larger servers), 'crouch_distance_multiplier' (how much crouching reduces voice range, default 1.0), 'whisper_distance_multiplier' (how much whispering reduces range), 'broadcast_range' (-1 for server-wide, set to 0 to disable). For RP servers, increase max_voice_distance to 64-96. For competitive servers, keep it at 32-48 to encourage tactical communication.
Player Setup Instructions
Players must install Simple Voice Chat on their client. Share this guide: 1) Install Fabric or Forge for your Minecraft version. 2) Download Simple Voice Chat from CurseForge or Modrinth. 3) Place it in your mods folder. 4) Launch Minecraft and join the server — voice chat connects automatically. 5) Press 'V' to open voice chat settings (push-to-talk key, microphone selection, volume). Players without the mod can still play normally — they just won't hear/talk via proximity chat.
Performance Impact
Simple Voice Chat uses a separate UDP connection — voice audio doesn't travel through the Minecraft server's main connection. CPU impact: ~1-2% per 10 active voice users. Bandwidth: ~5-10 KB/s per active speaker. For 30 players with 10 actively speaking: budget an additional 100 KB/s bandwidth and minimal CPU. The voice server runs on the same machine but doesn't significantly affect game performance. No additional RAM allocation needed beyond your game server.
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