The following are certain general secret codes for mobiles to perform certain actions like call divert,call waiting etc.the secret codes for that is given below
to activate call divert
Dial **21*No.#
to Cancel call Divert-
Dial ##21#
To Check Status-
Dial *#21#
Activate.Call waiting-
*43#
Deactivate.Call waiting-
#43#.
hope it works for you.
