4[ 20 ]• REVIEW PHONE SYMBOLSThe following is a collection of the various symbols and signals you maysee on your phone.Symbol What it meansYou have an active call.The phone is waiting for you to enter numbersor text.You have turned off your phone’s keypad tones,warning tones, and message alert tones and setyour ringing tone to Silent.You’ve activated Keyguard to help prevent anyaccidental keypresses.You have one or more voice messages waiting.You have one or more unread text messageswaiting.Digital service is available.Letters you enter will be uppercase (capitalletters). Press to switch to lowercase.Letters you enter will be lowercase. Pressto switch to uppercase.Letters you enter will be in sentence case.Characters you enter will be numbers. Press andhold to switch back to letters.