Some useful GSM codes

[greenblood]

includes the codes how to setup call fwd'ing
http://web.telia.com/~u47904777/startexe.htm


Call forwarding/diversionCommand string
Description

##002#
Unregister all call diversions

**004*PhoneNumber#
Set all configured call diversions to PhoneNumber

##004#
Unregister all configured call diversions

**21*PhoneNumber#
Register and activate divert all calls to PhoneNumber

*21#
Activate divert all calls

#21#
Deactivate divert all calls

##21#
Unregister divert all calls

*#21#
Check status of divert all calls

**61*PhoneNumber#
Register and activate divert on no answer to PhoneNumber

*61#
Activate divert on no answer

#61#
Deactivate divert on no answer

##61#
Unregister divert on no answer

*#61#
Check status of divert on no answer

**62*PhoneNumber#
Register and activate divert on not reachable

*62#
Activate divert on not reachable

#62#
Deactivate divert on not reachable

##62#
Unregister divert on not reachable

*#62#
Check status of divert on not reachable

**67*PhoneNumber#
Register and activate divert on busy

*67#
Activate divert on busy

#67#
Deactivate divert on busy

##67#
Unregister divert on busy

*#67#
Check status of divert on busy

[Ellen]

#999# to check the balance for TMobile To Go users.

[Nwahs]

Thank you.
These were all added to this thread too
http://www.t-mobilesignal.com/forum/showthread.php?t=74