LG B2070 User Manual page 107

General functions
A Private call in a multiparty call
To have a private call with one caller of a
multiparty call, display the number of the caller
you wish to talk to on the screen, then
select [Options] and Multiparty/Private to
put all the other callers on hold.
Ending a multiparty call
The currently displayed caller of a multiparty
call can be disconnected by pressing the
[End] key.
To end a multiparty call, press [Options]
then select Multiparty/End.
Selecting [Options] then Multiparty/End
all will end all the active and held calls.
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