2N StarPoint manual - Manual (Page 56)

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– Redial;
– Do Not Disturb (DND);
– Mute function;
– head set activation.
Control:
The cross buttons are used for menu browsing and configuration.
corresponds to the Back (Esc) button. It is used for rejecting calls, deleting
texts or quitting menus.
corresponds to
and correspond to
corresponds to