Common GSM Network codes ** Register and Activate* Activate## De-Register (and Deactivate)# Deactivate*# Check Status.--> Call waiting --> Activate call waiting *43*# --> Deactivate call waiting #43## --> Check status of call waiting *#43#--> CLIR: Presentation of one's own number to the to the called party--> Activate CLIR **31# --> Activate CLIR for the actual call *31#number--> Deactivate CLIR ##31# --> Deactivate CLIR for the actual call #31#number--> Check status of CLIR *#31#--> Change call barring code **03*OldCode*NewCode*NewCode#--> Change call barring...
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