The UCM6308 is an easy to manage device that does not require licensing fees and can support up to 6000 users and up to 400 concurrent calls. It features advanced technology including three Gigabit auto-sensing RJ45 network ports with integrated PoE+ and support for a NAT router. This enterprise-grade IP PBX can be integrated with third-party CRMs and PMS allowing for custom integrations. 

The Grandstream UCM6300 Series of IP PBX's have been designed with business of all sizes in mind, creating a unified communications solution that is robust and scalable. Moreover, the UCM6300 Series can be managed through the Grandstream Device Management System (GDMS) allowing for cloud-based setup, easy management and monitoring.

• Enterprise-Grade Unified Communication Solution
• IP PBXs allows businesses of all sizes to build powerful and scalable unified communication solutions in an easy-to-manage fashion with no licensing fees
• Analog Telephone FXS Ports: 8 RJ11 Port
• PSTN Line FXO Ports: 8 RJ11 Port
• Users: 6000
• Concurrent calls: 400
• Max concurrent SRTP calls: 240
• Video Conference: Up to 40
• Voice Conference: Up to 160
• Three self-adaptive Gigabit ports (switched, routed or dual card mode) with PoE+
• 1USB 2.0, 1USB 3.0, 1SD card interface
• 320x240 color LCD with touch screen for Shortcut Keys and Scroll Bar