Documentation
Tact-VC
Set up Tact-VC and fix connection problems.
Start here
Find out why a call doesn't connect.
Router
Make your computer reachable through your router.
Firewall and security
Allow Tact-VC through firewalls, security programs and VPNs.
Vides
Let Vides and friends help your apps find each other again.
Reference
How calls connect, and known connection issues.