Using a headset
With your FRITZ!Fon, you can not only make hands-free calls using the "hands-free calling" function, you can also use a headset. The telephone has a socket for 3.5 mm jack plugs on its top side. The headset may not be plugged in or unplugged during a call as this will disconnect the telephone connection.
Standard headsets for mobile telephones with an earphone impedance of 32 Ohms and a microphone impedance in the range of 800-2200 ohms (+/- tolerance) are suitable. You can use stereo or mono headsets with the assignment shown below. The mechanical protection of the plug should not exceed 7 mm to ensure good contact.
Fig.: Assignment of the 3.5 mm jack (stereo)
Fig.: Assignment of the 3.5 mm jack (mono)
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