S e t t i n g s683. Select Allowed no. when phone locked. With an empty folder selected, selectAssign, and enter the phone number; or select Assign > Find to recall thenumber from your contacts list. Select OK.To call the allowed phone number, in the standby mode, scroll down to highlightthe number you want to call, or enter it on the keypad; press the call key to placethe call.Change lock codeThe preset lock code, by default, is the last four digits of your phone number.Depending on your wireless service provider, the preset lock code can be a fourdigit number such as 1234 or 0000. If none of these work, contact your wirelessservice provider for help.To ensure the security of your device, you may want to change the preset lock codeto your own selected four digit number. Avoid using codes similar to emergencynumbers such as 911 to prevent accidental dialing of the emergency number.If you enter an incorrect lock code five times in a row, your device may ask youfor the security code. By default, the security code is 12345, a five digit number.Note: With the wrong lock code entered five times in succession, yourphone will not accept your correct lock code for 5 minutes, even if youpower off the device between incorrect entries.1. In the standby mode, select Menu > Settings > Security.2. Enter the lock code, and select OK.3. Select Change lock code.4. Enter the new lock code (must be 4 characters in length).5. Reenter the new lock code for verification, and select OK.When changing your lock code, make sure you store it in a safe place, away fromyour device. Avoid entering access codes similar to emergency numbers to preventaccidental emergency calls.Call restrictionsSelect call restrictions to block or allow numbers for incoming and outgoing calls.With any numbers entered as allowed numbers, all those entered as blockednumbers are ignored. With a number blocked, the phone blocks any call from it,and send the caller to the voice mail.1. In the standby mode, select Menu > Settings > Security.2. Enter the lock code, and select OK. See "Change lock code," p. 68.