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.

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]

Diverting Data Calls

All
To Activate: * * 21 * NUMBER * 25 # [SEND]
To Cancel: # # 21 # * 25 [SEND]
To Check Status: * # 21 # * 25 # [SEND]
No Answer
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]

Diverting Fax Calls

All
To Activate: * * 21 * NUMBER * 13 #[SEND]
To Cancel: # # 21 # * 13 # [SEND]
To Check Status: * # 21 # * 13 # [SEND]
No Answer
To Activate: * * 61 * NUMBER * 13 # [SEND]
To Cancel: # # 61 * 13 # [SEND]
To Check Status: * # 61 # * 13 # [SEND]
Unreachable
To Activate: * * 62 * NUMBER * 13 # [SEND]
To Cancel: # # 62 # * 13 # [SEND]
To Check Status: * # 62 # * 13 # [SEND]
Busy
To Activate: * * 67 * NUMBER * 13 # [SEND]
To Cancel: # # 67 # * 13 # [SEND]
To Check Status: * # 67 # * 13 #[SEND]

Call Barring

Before you can activate these barring services you will need a barring code from your service provider. Call Barring can not be activated if Call Forwarding diverts are already in use.

All Calls
To Activate: * 330 * BARRING CODE # [SEND]
To Cancel: # 330 * BARRING CODE # [SEND]
To Check: * # 330 # [SEND]
All Outgoing Calls
To Activate: * 333 * BARRING CODE # [SEND]
To Cancel: # 333 * BARRING CODE # [SEND]
To Check: * # 333 # [SEND]
All Incoming Calls
To Activate: * 353 * BARRING CODE # [SEND]
To Cancel: # 353 * BARRING CODE # [SEND]
To Check: * # 353 # [SEND]
All Outgoing Calls
To Activate: * 33 * BARRING CODE# [SEND]
To Cancel: # 33 * BARRING CODE # [SEND]
To Check: * # 33 # [SEND]
All Outgoing International Calls
To Activate: * 331 * BARRING CODE# [SEND]
To Cancel: # 331 * BARRING CODE # [SEND]
To Check: * # 331 # [SEND]
All Outgoing International Calls Except To Home Country
To Activate: * 332 * BARRING CODE# [SEND]
To Cancel: # 332 * BARRING CODE # [SEND]
To Check: * # 332 # [SEND]
All Incoming Calls
To Activate: * 35 * BARRING CODE # [SEND]
To Cancel: # 35 * BARRING CODE # [SEND]
To Check: * # 35 # [SEND]
All Incoming Calls When Outside Home Country
To Activate: * 351 * BARRING CODE # [SEND]
To Cancel: # 351 * BARRING CODE # [SEND]
To Check: * # 351 # [SEND]
Canceling All Call Barring # 330 * BARRING CODE # [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]

BY RAJAGANAPATHI.S