MONITOR MODE
The Siemens S3 Com series have a Monitor mode that can be activated directly from the standard user keypad. In order to activate this mode, you must enter the special access code currently programmed into the phone.
TO ACTIVATE MONITOR MODE:
Turn the phone on.
Enter the PIN access code on press OK. (Only if is enabled).
Press Menu. (Left top button).
Press 9. (Phone Options).
Press 8. (Phone Status) (May be button 7 in some phones).
You may see your IMEI Number
Left Display Button (Top left MENU key).
7684666
HangUp Button. (Red HandSet key).
Note: Monitor should appear now at the bottom of the Network Options menu.
MONITOR MODE
Pressing the right Display Button when in monitor mode will toggle into 1 and 2 modes