Display:
Graphic LCD display (128x 64 pixels) with green backlit
Brightness and contrast adjustable
Line status indication icon
Date and time indication
Multiple language support
LED:
1 message waiting indication LED
3 line status LEDs with line keys
8 LEDs for programmable keys (IP3022 only)
1 LED for speakerphone
Keypad:
soft and 3 line keys with LED
12 numeric keys and 5 navigation (Volume +/-) keys
8 programmable keys
Network:
IETF SIP V2 (RFC3261)
STUN NAT, DHCP, TFTP,