Connection to VoiceBoxer services might be blocked by the firewall configurations within your network.
Please note that you can always check if VoiceBoxer works for you on our check page by selecting your appropriate role and by establishing a connection to our media server by clicking on “Check your audio and video settings”. (see instructions here)
VoiceBoxer uses simple WebRTC communication for streaming video and audio.
Following here are the requirements to have VoiceBoxer WebRTC communication working behind a network firewall.
|UDP||1025 – 65535||WebRTC|
Opening up for outbound UDP traffic should be sufficient if your NAT employs the UDP hole punching technique.