Mobile Call waiting

Activate call waiting *43*#©
Deactivate call waiting #43##©
Check status of call waiting *#43#©
Calling Line Identification
The following only works if CLIP and CLIR are enabled (ask your service provider)
CLIP: Presentation of the number of the incoming call
Activate CLIP **30#©
Deactivate CLIP ##30#©
Check status of CLIP *#30#©
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#©
COLP: Presentation of the actual number reached (if number called was diverted to another number
Activate COLP *76#©
Deactivate COLP #76#©
Check status of COLP *#76#©
COLR: Presentation of the original number called by the calling party (if the call was diverted to this cellphone)
Activate COLR *77#©
Deactivate COLR #77#©
Check status of COLR *#77#©