149Voice MailComputerized answering service that automatically answersyour calls when you are not available, plays a greeting(optionally in your own voice) and records a message.148PUK (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 the SIMcard.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, as wellas the subscriber’s personal data).The SIM card fits into a small slot on the back of the phoneand is protected by 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 and on the phone, that:• varies according to the function that you are currently using• is indicated on the bottom line of the display just above thecorresponding key