CompletePBX is a comprehensive VoIP telephony system designed for businesses with 30 to 1500 users, featuring a user-friendly web interface, enterprise-class communication tools, and built-in security mechanisms to combat cyber threats. It offers strong protection against toll fraud and unauthorized access through various defense strategies, including a built-in firewall and remote access capabilities. Additionally, CompletePBX is tailored for diverse industries, with modular configurations and integration options to suit different operational needs.