Samsung SGH X820 Manual

Also see for SGH X820: Service manual

88Menu functionsCaller ID (Menu 9.6.5)This network service allows you to hide your phonenumber from the person you are calling. If you selectDefault, the phone will use the default settingprovided by the network.Voice mail server (Menu 9.6.6)Use this menu to store the number of the voicemailserver and access your voicemails.• Connect to voice server: connect to thevoicemail server to listen to your messages.• Voice server number: enter the voicemail servernumber.Closed user group (Menu 9.6.7)Use this menu to set incoming and outgoing calls to berestricted to a selected user group. For details abouthow to create a closed user group (CUG), contact yourservice provider.• Index list: add, delete, or activate CUG indexnumbers.• Outside access: enable calls to numbers otherthan those in the closed user group. This featuredepends on the nature of your CUG subscription.• Default group: enable the default CUG, if youhave set one with your service provider. Whenmaking a call, you are given the option of usingyour default CUG, instead of selecting one from thelist.Some networks may not allow you to change thissetting.You must store the voicemail server number beforeaccessing the server. Your service provider can giveyou the number.