Support SIP and MGCP protocol
DHCP support for LAN or Cable modem
PPPoE support for ADSL or Cable modem
with ROUTER build in
Audio codec G.711 , G.726 , G.723 , G.729
1wan 4lan
2fxs
CALL waiting,Hold,Transfer 3 way conference
Set by HTTP web browser (IE6.0) or Telnet
VAD(Voice active detect)
CNG (Comfort noise generation)
G.168/165 compliant 16ms echo cancellation
Adaptive Jitter Buffer
Packet Loss Compensation
T.38 FAX protocol

Power adapter: 110V~240V input,switching power adapter.
Network interface:2 RJ-45 Ethernet connectors
1 FXS lines for Telephone(POTS)
1 RJ11 for PSTN passthrough
Unit Dimensionsi??125mm A? 105mm A? 33mm(5.0in A? 4.3in A? 1.2in)
Box Dimensionsi??245mm A? 130mm A? 55mm(9.6in A? 5.2in A? 2.2in)