Cause: Firewall blocking SIP traffic on port 5060. Fix: Add an inbound rule in Windows Defender Firewall for eyebeam.exe allowing UDP 5060-5070 and RTP ports 16384-16482.

Running Eyebeam 3.0 on modern Windows requires compatibility tweaks. Here is the proven method:

Cause: Windows 10/11 audio driver changes. Fix: Go to Tools → Options → Audio Devices. Uncheck "Use WaveIn/Out" and check "Use DirectSound". Then restart the app.

Cause: Windows privacy settings. Fix: Go to Windows Settings → Privacy & Security → Microphone. Ensure "Allow apps to access your microphone" is ON, and find Eyebeam in the list (if not listed, run Eyebeam once as admin to force registration).