Standards and protocols: 1) Supports H323 V4, MGCP, SIP and IAX2 2) DHCP supports LAN or cable modem 3) PPPOE supports ADSL or cable modem 4) Set phone by HTTP web browser (IE 6.0) or Telnet 5) Upgraded by FTP 6) Supports G.711 a / u, G.723.1 5... - Update: 2007-07-12

Features: 1) SIP V2.0 (RFC 3261) 2) CODEC: G.711, G.723.1, G.726 and G.729 A/B 3) Hybrid echo cancellation G.168 (16ms) 4) Auto switch between fax and voice 5) DTMF tone detection / regeneration 6) Comfort noise generation (CNG) 7) User progra... - Update: 2007-07-12