The Grandstream UCM6308, a state-of-the-art IP PBX from the UCM6300 series, offers a comprehensive Unified Communications solution for businesses and organizations. It supports up to 3,000 users and 450 simultaneous calls, with 8 FXS ports and 8 FXO ports for connecting analog phones and PSTN landlines.
Technical Specifications:
Number of users: Up to 3,000
Concurrent calls (G.711): Up to 450
FXS ports (analog phones): 8 RJ11 ports (with Lifeline feature)
FXO ports (PSTN lines): 8 RJ11 ports
Network ports: 3 Gigabit ports (10/100/1000) – auto-negotiating – with PoE+ support and NAT Router function (switch or router mode)
Peripheral ports: 1 × USB 2.0, 1 × USB 3.0, 1 × SD Card
Display: 128 × 32 dots (graphical) with DOWN and OK buttons
LED Indicators: Power, FXS, FXO, LAN, WAN, Heartbeat
Echo Cancellation: LEC with NLP, 128 ms tail length
Packet Loss Tolerance: Up to 50% (for voice packets) with FEC 2.0 algorithm
Key Features:
High capacity, supporting up to 3,000 users and 450 concurrent calls.
8 FXS ports and 8 FXO ports connect analog phones and PSTN landlines.
Three Gigabit ports with PoE+ and NAT Router for network and connection flexibility.
Audio and video conferencing platform with the Wave app for various devices.
RemoteConnect – NAT firewall traversal for secure remote connectivity.
GDMS compatibility – Centralized cloud management (Zero-touch provisioning).
Advanced Features:
Communications Operating System: Based on Asterisk version 16.
Wave App: A unified remote collaboration app for desktop (Windows/Mac), mobile (Android/iOS), and web.
Call Center: Configurable queues, Automatic Call Distribution (ACD) based on agent skills.
Interactive Voice Response (IVR): Up to 5 levels in multiple languages.
API: Full integration with third-party systems (CRM, PMS).
Advanced Security: SRTP, TLS, HTTPS, SSH, 802.1X, ZRTP, Secure Boot, and a unique security certificate for each device.
GDMS: Centralized cloud management (provisioning, monitoring, and updating).