1wan 4lan 2FXS voip ATA:GW302A

Support SIP v1(RFC2543) v2(RFC3261) 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 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