2015
Moderate
Discord · Gaming
Voice connection error, Discord cannot establish or maintain a voice channel connection
Quick Answer
Error code 2015 on your Discord Gaming means: Voice connection error, Discord cannot establish or maintain a voice channel connection. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Network firewall is blocking Discord voice traffic on UDP ports
  2. ISP is throttling or blocking VoIP traffic
  3. Discord voice server region is unreachable from your network
  4. VPN or proxy is interfering with UDP voice packets
How to Fix It
1
Ensure UDP ports 50000-65535 are not blocked by your firewall or router
2
In Discord Settings > Voice & Video, change the voice region if available in the server settings
3
Disable any VPN or proxy service and try reconnecting to the voice channel
4
Toggle 'Enable Quality of Service High Packet Priority' off in Voice & Video settings
5
Try switching between Wi-Fi and a wired connection
6
Reset your voice settings in Discord by clicking 'Reset Voice Settings' in Voice & Video
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Related Error Codes
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