GSM SECRET CODES
The following codes are the standard GSM codes for various network services. Most Nokia phones have easier ways to activate them through the menus. Check the guides for your model.
Diverting Data Calls
All
To Activate: * * 21 * NUMBER * 25 # [SEND]
To Cancel: # # 21 # * 25 [SEND]
To Check Status: * # 21 # * 25 # [SEND]
To Activate: * * 61 * NUMBER * 25 # [SEND]
To Cancel: # # 61 * 25 # [SEND]
To Check Status: * # 61 # * 25 # [SEND]
Unreachable
To Activate: * * 62 * NUMBER * 25 # [SEND]
To Cancel: # # 62 # * 25 # [SEND]
To Check Status: * # 62 # * 25 # [SEND]
Busy
To Activate: * * 67 * NUMBER * 25 # [SEND]
To Cancel: # # 67 # * 25 # [SEND]
To Check Status: * # 67 # * 24 # [SEND]
