Main Features:

Two-line display with graphical field
27 keys, 7 LEDs
6 programmable function keys
Dual Ethernet connection
Headset connection
SIP RFC3261
Security: SIPS/SRTP, TLS
STUN, ENUM, NAT, ICE
Codecs: G.711, G.729A, G.723.1, G.722, G.726, GSM 6.10 (Full rate)