Operating voltage

Supply via the Ethernet port using PoE in compliance with IEEE 802.3af. (If there is no PoE supply on the network, use a COMfortel  PoE-100 or COMfortel  PoE-1000, available as an accessory.)

PoE class

Class 0 (identified on the type plate)

Power consumption

Min. 2.2 W, max. 12.9 W

System connection

10/100/1000 Tx Ethernet

2nd Ethernet port

10/100/1000 Tx Ethernet

VoIP codecs

G.711 A-law, μ-Law, G.722 (wideband), G.726, G.729, iLBC

2 USB ports

A USB port is provided for the COMfortel D-XT20 / COMfortel D-XT20i key extension module

Displays

6 polychromatic LEDs, illuminated colour graphic display, 480 × 272 pixels, backlight

User elements

Keypad, 12 dedicated function keys, directional pad, touchscreen with glass surface

Handset

Wideband audio, electret microphone, dynamic receiver loudspeaker, hearing aid-compatible

Headset

Separate interface for dynamic headsets, also with DHSG (wireless headset) support

Telephone hook

Magnetic switch contact

Casing

Plastic material, black or white

Size (W × H × D)

238 mm × 125/160 mm × 145/195 mm

Weight

761 g

Temperature

Operation: 0 to 40°C, storage: -30 to +70°C, non-condensing

Security

CE

Microphone current consumption

max. 0.5 mA

Microphone sensitivity

-43 dB

Loudspeaker impedance

100 Ohms

Loudspeaker sensitivity at 1 kHz

19.5 +/- 3 dBPa/V

Sound level threshold

24 dBPa