POLY 411 IP phone Black 12 lines TFT

Weight & dimensions

Weight:

900 g

Height:

150 mm

Width:

190 mm

Depth:

180 mm

Networking

Ethernet LAN:

Y

Audio

Voice codecs:

G.711, G.722.1, G.729ab, iLBC

Speakerphone:

Y

Adaptive jitter buffers:

Y

Voice activity detection:

Y

Noise reduction:

Y

Frequency range:

150 - 7000 Hz

Echo cancellation:

Y

Display

Display:

TFT

Display diagonal:

8.89 cm (3.5")

Display resolution:

320 x 240 pixels

Backlight display:

Y

Phone features

Full duplex:

Y

Conference call:

Y

Call forwarding:

Y

Redialing:

Y

Call waiting:

Y