54CUG (Closed User Group)Sets up the group of the numbers that you want to dial or receive. SelectCUG name and press [ ] to see the CUG name list as you input.Press the [Option] Soft key [ ] to; Delete: Deletes the preset CUG Identifier. Edit: Edits CUG Identifier. Add: Lists up a new CUG name in the Index list.NOTE: Without existing record, the [ ] key would turn into [ Add] and move tothe name input screen for a new CUG registration.Fixed DiallingFixed Dialling is a service that limits your access to the specific numbersin the Phonebook list recorded in SIM. Input PIN2 to set up or cancel thisservice.(up to 3 times) (On, Off )- On- Off- Fixed Dial List: Displays the numbers recorded in the FixedDialling listChange PIN2Changes PIN2.System ResetDeletes all user settings and data from your handset and initializes it as ifit were just shipped out of the factory.Input the phone password and press the [ ] key to reset.Default password is 1234.Software VersionAllows you to check the current software version.