LG G7020 Guide D'utilisation page 164

Closed User Group [Menu 4-4-8]
(network dependent)
Use this function to restrict usage of the phone calls with numbers
that belong to certain user groups. When this function is used, every
outgoing and incoming call is associated with a group index. If a
group index is specified, it is used for all outgoing calls. If no group
index is specified, the network will use the preferential index (a
specific index that is stored in the network).
A. Preset : Setting the selected CUG Index.
B. On : Activating and editing the CUG Index.
C. Off : Deleting the selected CUG.
Menu Description
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