Display:
Monochrome backlit LCD screen
Size: 2.5 inches
Resolution: 132 × 64 pixels

Lines and Keys:
Supports up to 2 SIP lines/accounts
2 line keys with dual-color LED indicators
4 soft keys
Dedicated keys: speakerphone, headset, mute, hold, transfer, volume control

Audio:
Poly HD Voice technology for clear audio
Acoustic Clarity™ technology (full duplex, echo cancellation, background noise suppression)
Frequency response: 150 Hz – 7 kHz
Supported codecs: G.711 (A-law and μ-law), G.729AB, G.722 (HD Voice), iLBC

Connectivity:
2 × 10/100 Ethernet ports
1 × RJ9 headset port
Power over Ethernet (PoE) IEEE 802.3af support
Can also be powered via optional external power adapter

Additional Features:
Wall-mountable with included reversible stand
Multi-language user interface (including Arabic)
Compatible with a wide range of SIP-based PBX systems
Microban® antimicrobial protection