Features:
1) Automatically IP and gateway discovery
2) 10M Ethernet interface supports LAN / ADSL / cable modem
3) Compatible with most IP audio system and devices
4) Dynamic voice jitter buffer which minimize effect to the voice caused by the
audio delay and jitter as a result the quality of voice is high
5) 112 entries for quick dial
6) 40 entries each for missed call, answered call and dialed call
7) 16 entries for voice message
8) Set by keystroke
9) Provides direct IP address to IP address call mode
10) Direct PSTN call by a voice gateway
11) Support config by Telnet/ Web browser
12) Build-in H323 proxy supports to pass NAT
13) Upgrade firmware by TFTP
14) Display caller ID
15) Supports H323, SIP and MGCP
16) 110 / 240V auto sense for power
17) A built-in switch different from single-port
18) Dimensions (L x W x H): 225 x 225 x 95mm