A video conference system connects headquarters and remote offices through a secure and scalable communication network. It integrates TrueConf Apps, telephony, and conferencing tools like Zoom, Webex, and Skype for Business. The system is managed by a TrueConf server, enabling seamless communication between different platforms, including YouTube and CDN for video content. Security is maintained through VPN, NAT, proxy firewalls, and Active Directory for user authentication. Remote users can join via TrueConf Rooms or WebRTC, ensuring flexibility and accessibility. The system supports both internal and guest users, providing a reliable solution for real-time video collaboration and conferencing.