Connects and constantly monitors two UCM6510 together for high availability
Smart failover solution that automatically switches to a hot-standby secondary UCM6510 if the primary one fails

The Grandstream CloudUCM SOHO is a cloud-based PBX solution designed for small businesses, offering voice, video, chat, and collaboration tools without hosting fees. It supports up to 20 extensions, includes built-in security, and integrates with popular platforms like Microsoft Teams, WhatsApp, and Google Drive.