How to Activate call divert,waiting ,identity for all Mobile Service provider

➤➤What is Call Diverting?
        Call Diverting is a facility when you are not available to answer the call or you are meeting  not possible to answer the call, can Divert the call to another mobile number or may be ant fixed landline. 

Call Diverting is four type All Call Divert, No answer, Unreachable and busy.

➤➤All Call Divert 
        You can divert all call to any number when you are busy to meeting or anywhere  as given below All
To Activate: * * 21 * Number # CALL
To Cancel: # # 21 #  CALL
To Check: * # 21 #   CALL

No Answer
To Activate: * * 61 * NUMBER #  CALL
To Cancel: # # 61 #  CALL
To Check: * # 61 #  CALL

Unreachable
To Activate: * * 62 * NUMBER #  CALL
To Cancel: # # 62 #  CALL
To Check: * # 62 #  CALL

Busy
To Activate: * * 67 * NUMBER #  CALL
To Cancel: # # 67 #  CALL
To Check: * # 67 #  CALL
To Cancel All Call Forwarding # # 002 #  CALL

Call Waiting

To Activate: * 43 #  CALL
To Deactivate: # 43 #  CALL
To Check: * # 43 #  CALL

Calling Line Identity 
Outgoing
To Activate: * 31 #  CALL
To Deactivate: # 31 #  CALL
To Check: * # 31 #  CALL

Incoming
To Activate: * 30 #  CALL
To Deactivate: # 30 # CALL