Zadarma PBX is a free cloud-based business phone system designed to help companies build professional, scalable communication infrastructure without expensive equipment or complex installation.

Operating entirely in the cloud, Zadarma PBX allows businesses to manage incoming and outgoing calls, create multi-level IVR menus, set up smart call routing, queues, voicemail, call recording, and detailed analytics. It supports remote teams through extensions accessible via web, desktop, and mobile apps.

The system integrates with CRM platforms and offers built-in tools such as Teamsale CRM, AI voice agents, call transcription, and speech analytics. With virtual numbers available in over 110 countries and global data centres ensuring reliability and redundancy, Zadarma PBX is ideal for startups, SMEs, call centres, and international companies seeking flexibility and cost efficiency.