Using the keypad, you can enter the digits, characters and letters you need. In the text entry menu, press the digit keys want a more times until the desired character appears. The assignment is listed in the table at the end.
| COMfortel 1600 - Firmware V2.2 - COMfortel Set V3.16 - Advanced Information V10 02/2019 |
, 
and 
to switch between uppercase and lowercase letters. The symbol indicates the current settings.
and 
. Tap on 
to delete the last character before the cursor.
to accept the entry.