Users: 200 
Concurrent Calls: 50
Voicemail: Default 3000min (upgradable) 
Auto-Recording(Add-on license): Support

Interface:
    Up to 16 Analog Ports (FXO/FXS)
    Up to 8 GSM Ports (Quad-Band GSM/GPRS850/900/1800/1900MHz)
    Up to 8 UMTS Ports (UMTS 900/2100MHz or 850/2100MHZ or 850/1900MHZ)
    Up to 8 BRI Ports
    One RS232 Port
LAN: 1 (10/100Mbps) 
WAN: 1 (10/100Mbps)
USB: 1 (USB2.0)
Audio In/Out: Supported

Size: 340x210x44 mm 
Weight: 2.1kg
Power Supply: AC 100-240V  50/60Hz 1.5A MAX 

SIP Protocol: SIP(RFC3261), IAX2 
Transport Protocol: UDP,TCP,TLS,SRTP
Codec: G.711, GSM, SPEEX, G.722, G.726, ADPCM, G.729 A, H261,
             H263,H263p, H264 ,MPEG4.
DTMF: Inband, RFC2833, SIP INFO
Echo Cancellation: Supported
LED: Red for FXO/GSM/UMTS, Orange for BRI, Green for FXS
Network: Static IP, PPPoE, DHCP, Firewall, VLAN, DDNS, QoS,
                DHCP Server,OpenVPN 
Multiple Languages Support:
Chinese, Dutch, English, French, German, Hebrew, Korean, Italian,
Polish,Portuguese, Romanian, Russian, Spanish, Thai, Turkish