Telephone
    Entering the PIN
    Dialling telephone numbers manually
    Dialling a telephone number
    Ending a telephone call
    Sending numbers or symbols
    Making an SOS call
    Opening a list of the last-dialled numbers
    Opening a list of the last callers
    Using the telephone book
        Storing telephone numbers in the telephone book
        Dialling a number from the telephone book list
        Changing a telephone book entry
    Accessing other functions in the telephone menu
        Activating own number send mode
        Reading and processing text messages
        Deleting text messages