1 × WAN;1 × LAN;1 × FXS;1 × PSTN
1) Support Three sip servers running at the same time.
2) Call Forward, Call Transfer.
3) VAD-Voice Activity detection
4) DHCP PPPoE
5) RTP/RTCP IP/TCP/UDP/ICMP
6) G.165 and G.168-2002,with 16,25ms tail length
7) T.38 Fax
8) G.711/G.723.1/G.729/G.726
9) One Rj45 port WAN Ethernet 10/100baseT
10) One Rj45 port LAN Ethernet 10/100baseT
11) 1 FXS Port and 1 pstn Port.