95Glossary & Safety precautionsPUK (PIN Unblocking Key)Security code used to unlock the phone when an incorrectPIN has been entered three times in succession. The eight-digit number is supplied by the service provider with theSIM card.RoamingUse of your phone when you are outside your home area(when travelling for example).SIM (Subscriber Identification Module)Card containing a chip with all the information required tooperate the phone (network and memory information, aswell as the subscriber’s personal data). The SIM card fitsinto a small slot on the back of the phone and is protectedby the battery.SMS (Short Message Service)Network service sending and receiving messages to andfrom another subscriber without having to speak to thecorrespondent. The message created or received can bedisplayed, received, edited or sent.Soft KeysTwo keys ([(], [)]) marked on the phone, that:•vary according to the function that you are currently using•are indicated on the bottom line of the display just abovethe corresponding key.Voice MailComputerized answering service that automatically answersyour calls when you are not available, plays a greeting(optionally in your own voice) and records a message.Safety precautionsUsing a mobile phone while driving may beprohibited.Please check local laws and regulations with regard to theprohibition of mobile phone use while driving, and complywith them. Use of your phone while you are driving maydisturb your concentration and so cause an accident.Always switch your phone off as soon as possible. Shouldyou use your phone in an emergency, either use a handsfree device built into your car, or pull over in a safe placefirst.Switch off in restricted areasAlways switch your phone off in areas where mobile phoneuse is restricted.Switch off in explosive or dangerous areasAlways switch your phone off in areas with explosive or070628_C150_EN(00)ºˆ¡§.indd 95 2007.6.28 4:54:40 PM