GSM codes.
These can be saved in you phonebook/ contacts list for fast access.Most are obviously selectable by going through your phones menu, but these are much quicker, and I can never find some of them, like call waiting and call hold
Call Divert (all call types)
All
Set: **21*destination#[SEND]
Cancel: ##21#[SEND]
Query: *#21#[SEND]
No Answer
Delay nn seconds: max 30 seconds, in 5 second increments
Set: **61*destination*nn#[SEND]
Cancel: ##61#[SEND]
Query: *#61#[SEND]
Unreachable
Set: **62*destination#[SEND]
Cancel: #62#[SEND]
Query: *#62#[SEND]
Busy
Set: **67*destination#[SEND]
Cancel: ##67#[SEND]
Query: *#67#[SEND]
Cancel All
##002#[SEND]
Divert Voice Calls
All
Set: **21*destination*11#[SEND]
Cancel: ##21*11#[SEND]
Query: *#21*11#[SEND]
No Answer
Delay nn seconds: max 30 seconds, in 5 second increments
Set: **61*destination*11*nn#[SEND]
Cancel: ##61*11#[SEND]
Query: *#61*11#[SEND]
Unreachable
Set: **62*destination*11#[SEND]
Cancel: ##62*11#[SEND]
Query: *#62*11#[SEND]
Busy
Set: **67*destination*11#[SEND]
Cancel: ##67*11#[SEND]
Query: *#67*11#[SEND]
Divert Data Calls
All
Set: **21*destination*25#[SEND]
Cancel: ##21*25 [SEND]
Query: *#21*25#[SEND]
No Answer
Delay nn seconds: max 30 seconds, in 5 second increments
Set: **61*destination*25*nn#[SEND]
Cancel: ##61*25#[SEND]
Query: *#61*25#[SEND]
Unreachable
Set: **62*destination*25#[SEND]
Cancel: ##62*25#[SEND]
Query: *#62*25#[SEND]
Busy
Set: **67*destination*25#[SEND]
Cancel: ##67*25#[SEND]
Query: *#67*25#[SEND]
Divert Fax Calls
All
Set: **21*destination*13#[SEND]
Cancel: ##21*13#[SEND]
Query: *#21*13#[SEND]
No Answer
Delay nn seconds: max 30 seconds, in 5 second increments
Set: **61*destination*13*nn#[SEND]
Cancel: #61*13#[SEND]
Query: *#61*13#[SEND]
Unreachable
Set: **62*destination*13#[SEND]
Cancel: #62*13#[SEND]
Query: *#62*13#[SEND]
Busy
Set: **67*destination*13#[SEND]
Cancel: ##67*13#[SEND]
Query: *#67*13#[SEND]
Divert Line 2 Calls
All
Set: **21*destination*89#[SEND]
Cancel: #21*89#[SEND]
Query: *#21*89#[SEND]
No Answer
Delay nn seconds: max 30 seconds, in 5 second increments
Set: **61*destination*89*nn#[SEND]
Cancel: ##61*89#[SEND]
Query: *#61*89#[SEND]
Unreachable
Set: **62*destination*89#[SEND]
Cancel: ##62*89#[SEND]
Query: *#62*89#[SEND]
Busy
Set: **67*destination*89#[SEND]
Cancel: ##67*89#[SEND]
Query: *#67*89#[SEND]
Call Barring
You use call barring to control what calls can be made or received by your account.
The barring code is specific to the network. Ask your service provider.
Note that Call Barring can't work if call diverts are active, even the autodivert set by the network.
All calls
Set: **330*barring code#[SEND]
Cancel: ##330*barring code#[SEND]
Query: *#330#[SEND]
Outgoing calls
Set: **333*barring code#[SEND]
Cancel: ##333*barring code#[SEND]
Query: *#333#[SEND]
Incoming calls
Set: **35*barring code#[SEND]
Cancel: ##35*barring code#[SEND]
Query: *#35#[SEND]
Outgoing international calls
Set: **331*barring code#[SEND]
Cancel: ##331*barring code#[SEND]
Query: *#331#[SEND]
Outgoing international calls except to home country
Set: **332*barring code#[SEND]
Cancel: ##332*barring code#[SEND]
Query: *#332#[SEND]
Incoming calls when outside home country
Set: *351*barring code#[SEND]
Cancel: #351*barring code#[SEND]
Query: *#351#[SEND]
Cancel All Call Barring
#330*barring code#[SEND]
SMS
There is no provision in the GSM specification for diverting SMS messages
Bar incoming SMS messages
Set: *35*barring code*16#[SEND]
Cancel: #35*barring code*16#[SEND]
Call waiting
Set: *43#[SEND]
Cancel: #43#[SEND]
Query: *#43#[SEND]
Incoming call waiting
Reject: 0 [SEND]
Drop current call and answer: 1 [SEND]
Hold current call and answer: 2 [SEND]
Calling line identity
Outgoing CLI Release (recipient sees your number)
Release: *31# destination [SEND]
Withhold: #31# destination [SEND]
Query default: *#31#[SEND]
Incoming CLI Presentation (you see the caller's number)
Allow: *30#[SEND]
Prevent: #30#[SEND]
Query default: *#30#[SEND]
Dial number from memory
Where nnn is the memory location number
nnn#[SEND]
Change PIN codes
Change Call Barring pin code
**03*oldpin*newpin*newpin#
Change SIM pin code
**04*oldpin*newpin*newpin#
Change SIM pin2 code
**042*oldpin*newpin*newpin#
Unblock SIM pin code
**05*PUK*newpin*newpin#
Unblock SIM pin code
**06*PUK2*newpin*newpin#
