System Highlights
80 concurrent calls and up to 200 registers
60 conference attendees 
Unlimited SIP/IMS Trunks
15000 hours recording (internal storage) 
HD voice codec G.722 for perfect voice quality
Voicemail to Email for not missing any important message
Paging and intercom function strengthens the work efficiency
Built-in SIP Proxy Server following RFC 3261
Multiple Language of GUI for international business
Web-based Control Panel for easy configuration and management of the system
Hardware Echo Cancellation module for great and smooth communication
Strong security features protect your system from hacking
Maximum 8 ports FXO/FXS/GSM (on 2 slots) 
Records voice and voicemail to external USB disk 
Quick setup wizard 
 
Codec and Protocol
SIP 2.0 (RFC3261), IAX and Lync server compliant
Audio Codec: G.711-Ulaw, G.711-Alaw, G.722, G.726, G.729, GSM, SPEEX, Opus, AMR, AMR-WB 
Video Codec: H.261, H.263, H.263+, H.264 and VP8
DTMF: RFC 4733, SIP info, in-band and auto
 
Network and Security Features
DHCP Server, DDNS Client (PLANET DDNS & Easy DDNS)
SNMP v1/v2, IEEE802.1Q VLAN
IPv4/IPv6, TR069
Manual Configuration of Static Route Table
Troubleshooting (Ping and Traceroute)
VPN Server and VPN Client
Mitigates SIP Register DoS Attacks 
Prevents Abort Invite DoS Attacks
Prevents SSH Login DoS Attacks
Firewall and enhances HTTPS connection
Geo-IP (Security policy based on IP address geographical locations)
Data Backup and Recovery
 
PBX Features
SIP Register with UDP/TCP/TLS/SRTP
One Touch Recording
Mobility Extension
Black List
BLF (Busy Lamp Field)
CDR (Call Detailed Record)
Conference Room 
DID (Direct Inward Dialing Number)
SRTP (Secure Realtime Transport Protocol)
DND (Do Not Disturb)
IVR (Interactive Voice Responses)
Follow Me, Call Spy and PIN Set
Distinctive Ringtone
Multi-language System Prompt
Phone Book, Speed Dial
Ring Group, SIP Trunk
Skype for SIP, Smart DID, System Log
T.38 fax (pass-through), voicemail and voicemail to e-mail
 
Call Features
Call Back, Call Forward, Call Group
Call Hold, Call Paging and Intercom
Call Park, Call Pickup, Call Queue
Call Record, Call Route, Blind Transfer 
Attend Transfer, Call Waiting
Caller ID, Dial by Name 
Customized IVR, On-hold Music, Transfer 
60 Conference Attendees 
One-to-One Video Call