User Capacity: Supports up to 100 users, expandable to 200 users

Concurrent Calls: Supports up to 30 simultaneous calls, expandable to 60 calls

Modular Design: Includes 2 on-board module slots to flexibly support:
Up to 16 FXS/FXO/BRI ports
Up to 6 GSM/3G/4G channels
Up to 2 E1/T1/PRI ports

Network Interfaces:
2 x Gigabit Ethernet ports (LAN/WAN)
Network modes: Single, Bridge, Dual

Management & Control:
Web-based GUI for configuration
Remote management supported

Protocols:
SIP (RFC3261), IAX2

Security:
Built-in firewall
TLS & SRTP encryption
IP access control, fail2ban, dynamic firewall rules

Advanced Features:
Call recording
Voicemail to email
Auto provisioning
Linkus UC softphone support
Call routing, IVR, call queues, ring groups
Conference room, call forwarding, and more