Advanced Features66Security OptionsYour Samsung 2500 Series Phone provides many securityoptions, including a user-programmable lock code, keypadlock, and call restriction features. To access the Security menuin Standby mode, press , , and then enter yourlock code. (The default lock code is 0000 or the last four digitsof your phone number.) Press the associated digit key to accessone of the following Security options:1. Lock Phone2. Limit Use (Outgoing calls, Incoming calls, Phone Book,Roaming)3. Lock Code4. Special Numbers5. Erase6. Reset PhoneIn addition to the above six security options, your phone haspermanently stored emergency numbers which are explainedin “Emergency and Special Numbers” on page 74.Lock ModeLocking the phone restricts outgoing calls, except to the threehard-coded emergency numbers (911, *911, and #911), andthree user-programmable special numbers.You can lock the phone manually during use, or set the phoneto lock automatically at power-on. When the phone is in Lockmode, you can answer incoming calls, but to place outgoingcalls you must enter the lock code (except if you are dialing anemergency or special number).