Grandstream UCM6300 Audio series IP PBX

The Grandstream UCM6300 Audio Series is an enterprise-grade on-premise IP PBX system designed to deliver advanced unified communications solutions. It integrates voice, audio conferencing, instant messaging (IM), mobility, and access control—all within a single appliance. Built on the Asterisk 16 platform, the UCM6300 Audio Series is scalable, secure, and supports both on-site and remote deployments through its cloud-friendly architecture, including UCM RemoteConnect and integration with the Grandstream Wave app for web, desktop, and mobile devices.

Grandstream UCM6300 Audio series IP PBX Specifications

• User & Call Capacity: Up to 1,500 users and 200 concurrent calls

• Conferencing: Multi-room audio conferencing; built-in IM and presence

• Networking: 3 Gigabit ports (LAN/WAN/Dual), PoE+ support, NAT/router mode

• Security: Secure boot, TLS, SRTP, HTTPS, VPN, firewall, fail2ban

• Codec Support: Opus, G.711, G.722, G.729, iLBC, GSM, T.38 fax

• Call Features: IVR, queues, voicemail, call routing, recording, paging

• Provisioning: Zero-Config, API integration, LDAP, GDMS-compatible

• High Availability: Hot standby failover, backup/restore tools

• Power: 12V DC adapter or PoE+ (model dependent)

• Environment: 0–45°C operation; rack/desktop mountable