| Hardware |
| WAN |
1 x 10/100Mbps RJ-45 Port |
| LAN |
4 x 10/100Mbps RJ-45 Port |
| Voice |
4 x RJ-11 connection (4 x FXS) |
| Protocols and Standard |
| Standard |
H.323 v2/v3/v4 and SIP (RFC 3261), SDP (RFC 2327), Symmetric RTP,STUN (RFC3489), ENUM (RFC 2916), RTP Payload for DTMF Digits (RFC2833), Outbound Proxy Support. |
| Voice Codec |
G.711 (A-law / u-law), G.729 AB, G.723 (6.3 Kbps / 5.3Kbps) |
| Fax Support |
T.30, T.38 |
| Voice Standard |
Voice activity detection (VAD)
Comfort noise generation (CNG)
G.165/G.168 Echo cancellation
Dynamic Jitter Buffer |
| Protocols |
SIP 2.0 (RFC-3261), H.323, TCP/IP, UDP/RTP/RTCP, HTTP, ICMP, ARP, NAT, DHCP, PPPoE, DNS |
| Advanced Function |
Virtual Server, Smart QoS, IP TOS (IP Precedence) / DiffServ, Build-in NAT router function |
| Network and Configuration |
| Management |
Web, Telnet |
| LED Indications |
System: PWR
WAN: 1, LAN/ACT
LAN: 4, LNK/ACT
Voice 4, In-Use/Ringing |
| Dimension (W x D x H) |
260 x 130 x 40 mm |
| Operating Temperature/Humidity |
0~40 Degree C, 0~95% Humidity |
| Power Requirement |
12V DC |
| EMC/EMI |
CE, FCC Class B |