Full specification
Display: 3.4-inch (8.6 cm), 384x128-pixel monochrome LCD with white LED backlight and antiglare bezel
Microphones: Four sensitive microphones with 360-degree coverage, 7-foot (2.1 m) pickup range
Audio: Wideband HD voice support (G.722), full-duplex technology with echo cancellation
Network: Single SIP line, 10/100 BASE-T Ethernet, PoE powered (Class 2 device)
Codec Support: G.711 (μ/A), G.729a, G.729ab, iLBC, OPUS
Security: SHA-256 support, encrypted voice communications
Configuration: DHCP client or static configuration support, dual IPv4/IPv6 stack
Room Coverage: 360-degree coverage for spaces up to 172 square feet (16 square meters)
Keys: Four context-dependent soft keys, two-way navigation keys, standard keypad, volume control toggle
