Technical Data for Headset Connections
Environmental Notices
If you want to dispose of the device, please ensure its professional disposal.
Do not put it in the normal household waste.
Dispose of the packaging material properly and in interest of the
environmental protection.
Consult your responsible authority for information about the professional
and environment-friendly disposal of your device. If you want that we
Displays
19 LEDs, 16 are polychromatic. 5" TFT colour display,
800 x 480 pixels, backlight
COMfortel Xtension300: 30 LEDs, polychromatic
User elements
Keypad, 12 permanently assigned function keys,
colour display with touch operation, directional pad, 15
programmable function keys (on which up to two
functions can be assigned on two levels), additional
touch function keys on the display
COMfortel Xtension300: 30 programmable function
keys
Receiver
Wideband audio, electret microphone, dynamic
receiver loudspeaker, hearing aid compatible
Headset
Separate interface for dynamic headsets, also with
DHSG (wireless headset) support
Hook key
Magnetic switch contact
Casing
Plastic material, black
Dimensions
275 mm x 128/150/170 mm x 210 mm (W x H x D)
COMfortel Xtension300: 120 x 68/90/110 x 210
Weight
Approx. 1070 g;
COMfortel Xtension300: approx. 310 g
Temperature
Operation: 0 ° to 40 °C, storage: - 30 to + 70 °C, non-
condensing
Security
CE
VoIP codecs
G.711, G.722, iLBC
Microphone current consumption
Max. 0.5 mA
Microphone sensitivity
-45 dB
Loudspeaker impedance
150 Ohm
Loudspeaker sensitivity at 1 kHz
19.5 +/- 3 dBPa/V
Sound level threshold
24 dBPa