Key features
Compliant with itu-t h.323 v4, mgcp, sip, net2phone, iax2, wp
Automatic assign IP address & scan gatekeeper
10 base ethernet support LAN / ADSL / cable modem
Compatible with most IP voice systems and devices
Dynamic voice jitter buffer, clear & stable voice quality
112 entries for quick dial
40 entries each for missed call, answered call and dialed call
16 entries for voice messages
Setting by keypad
Provide direct IP to IP call mode
Including direct pstn call by a gateway
Easy to setup and configured by telnet / web
Built-in h.323 proxy to pass nat
Upgrade by tftp
LCD display & review receive calls
Full duplex speakerphone, dial-tone, speaker & loudspeaker volume can be digitally adjused independently
Technology parameter
Compliant with itu-t h.323 v4, mgcp, sip, net2phone, iax2, wp
Voice codec include g.723.1 6. 4k/6. 3k, g.729
Voice processing itu g.711
G.711 outband dtmf transmit by h.245 user input or q.931 keypad
Caller ID send and receive by q.931
G.168/165 compliant 16ms echo cancellation
H.235 security authorization based on md5
Vad ( voice activity detection ); cng ( comfort noise generation; dynamic voice jitter buffer
Automatically gatekeeper discovery in LAN
Dhcp support for LAN or cable modem
Pppoe support for ADSL or cable modem