Poly VVX 400
A 12-line color IP desk phone for front-line office staff and call attendants. It has a backlit 3.5-inch 320x240 color LCD, Poly HD Voice with Acoustic Clarity, a single USB 2.0 port, and a two-port Ethernet switch. It is powered via IEEE 802.3af PoE; the VVX 410 variant adds Gigabit Ethernet, while the VVX 400 supports 10/100Base-TX only.
- 3.5-inch backlit color LCD display, 320 x 240 resolution
- 12 programmable line keys
- Poly HD Voice for handset, speakerphone, and optional headset audio paths
- Poly Acoustic Clarity: full-duplex, acoustic echo cancellation, background noise suppression (IEEE 1329 Type 1 compliant)
- Single USB 2.0 port for media and storage
- Two-port Ethernet switch: 10/100Base-TX on VVX 400; 1000Base-TX (Gigabit) on VVX 410
- IEEE 802.3af Power over Ethernet, Class 2
- No built-in Bluetooth or Wi-Fi