Other settings require the editing of numbers or strings. This can be done with the keypad of the phone. Digits are entered directly via the keys and letters can be called up by pressing a key repeatedly. You can toggle between lower case letters ("a") and upper case letters ("A") with the * key.
Key mapping:
Moves the cursor to the left.
Moves the cursor to the right.
Deletes the character to the left of the cursor.
Changes input mode to capital letters.
Changes input mode to small letters.
Changes input mode to numbers.
Accepts the entry.
ENTER
Aborts the changes.
CANCEL
Settings via Web Browser
It is usually more convenient to use a web browser to configure the settings. The snom 220 has an integrated web server for this purpose. If the phone is connected to a network that provides DHCP, it can be immediately accessed via the browser after
Illustration 1: Web configuration
Start your web browser.
Enter the IP address of the phone as the URL (e.g. 192.168.0.100). (If you do not know the IP address, you can look it up on the phone’s display by pressing the menu key, scrolling to the “About” submenu,
and pressing ENTER 
.)
On the left side of the web page there is a selection menu.
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