Installation
If you want to use a headset, it can be connected to the audio jacks on the rear side of the snom 220. The connector named “In” is for the microphone.
Keypad
The numeric keypad with the keys 0 to 9, * and # is used to enter digits and letters. Depending on the operating mode, different actions can be performed (see the table below):
Entry of digits only (e.g., when dialing a phone number),
Typing in letters and digits by pressing the keys repeatedly (similar to a cellular phone).
The MENU key is used to invoke the main menu. To cancel actions or input, the CANCEL key can be used. The ENTER key confirms actions, selections and inputs.
Depending on the operating mode, the keys can have
The soft keys F1 to F4 located below the display are
The five keys on the right with LEDs on them are the programmable function keys that different functionalities can be mapped onto.
The keys of the numeric block in different operating modes:
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