Voice & Network Features
Protocol: SIP 2.0 (RFC 3261)
Codecs: G.711, G.723.1, G.726, G.728, G.729
LAN interface: 2 x RJ45 10Base-T
Advanced Digital Signal Processing (DSP)
PPPoE Supports for ADSL or Cable modem
DHCP Supports for LAN or Cable modem
Supports STUN, TFTP, DNS, NTP
Call Function
Full duplex hands-free speakerphone
Call Forwarding/Waiting/Hold/Transfer
In-band and out-of-band DTMF
Caller ID, No-Disturb
3-way conference call
Voice mail with indicator
Downloadable ring tones