GSM cell phone secret tips & tricks

Type *#61# and press call - Check call redirection status.Cancel all redirections: ##002#*43# to activate call waiting, to deactivate #43#.If your phone doesn't have incoming call barring and outgoing call barring, you can try this. For outgoing call barring dial *33*barcode*# and pres OK. To deactivate it dial #33#barcode*#.