Hardware

Grayscale display—۲٫۸ inches x 2.1 inches (7.0 cm x 5.3 cm)—Diagonal width: 3.5 inches (8.8 cm)
۸ buttons with dual LEDs (red, green) ۴ softkeys
Hard buttons for phone, messages, contacts, history, home, navigation, cluster, headset, speaker, volume, mute
LEDs for speaker, mute, headset, message, history
۲۴ administrative buttons
Wideband audio in handset and headset
Full duplex speakerphone
Ergonomic hearing aid compatible handset supports TTD acoustic coupler
Message waiting indicator
Mute key with optional mute alerting
IC call alerting with 360-degree visibility
Rich, classic, alternate, and downloadable ringtones, Dual-position stand, optional wall-mount stand
Gigabit Ethernet (10 / 100 / 1000) line interface
Second Ethernet interface 10 / 100 / 1000 Mbps
PoE Class (IEEE 802.3af) registers as class 1 device and supports 802.3az
Optional AC to 5 volt power supply

Software
SIP & H.323 protocol support
Standards-based codec support: G.711, G.726, G.729A / B, G.722, Opus
Supports the following languages: Arabic, Brazilian Portuguese,
Simplified Chinese, Dutch, English, Canadian French, Parisian French,
German, Hebrew, Italian, Japanese, Korean, Polish, Latin American
Spanish, Castilian Spanish, Thai, Turkish, and Russian