The following are the secret codes for all mobiles including nokia,sony ericcson,motorola and other mobiles.using these secret codes you can easily call divert your calls to another number and enable call waiting in your mobile and also for activating calling line identity.

Call Diverting

All
To Activate: * * 21 * NUMBER # [SEND]
To Cancel: # # 21 # [SEND]
To Check: * # 21 # [SEND]
No Answer
To Activate: * * 61 * NUMBER # [SEND]
To Cancel: # # 61 # [SEND]
To Check: * # 61 # [SEND]
Unreachable
To Activate: * * 62 * NUMBER # [SEND]
To Cancel: # # 62 # [SEND]
To Check: * # 62 # [SEND]
Busy
To Activate: * * 67 * NUMBER # [SEND]
To Cancel: # # 67 # [SEND]
To Check: * # 67 # [SEND]
To Cancel All Call Forwarding # # 002 # [SEND]
Call Waiting

To Activate: * 43 # [SEND]
To Deactivate: # 43 # [SEND]
To Check: * # 43 # [SEND]

Calling Line Identity

Outgoing
To Activate: * 31 # [SEND]
To Deactivate: # 31 # [SEND]
To Check: * # 31 # [SEND]
Incoming
To Activate: * 30 # [SEND]
To Deactivate: # 30 # [SEND

Hope these secret codes are working!but pls try at your own risk.