LG G5300i User Manual page 248

Additional Functions
2-5 Adding Calls to the Multiparty Call
To join an active call to the held multiparty call, select the [Options]
key then Multiparty/Join all.
2-6 Displaying Callers in a Multiparty Call
To scroll through the numbers of the callers who make up a
multiparty call on the handset screen, press U and D keys.
2-7 Putting a Member of a Multiparty Call on Hold
To place one selected caller (whose number is currently displayed
on-screen) of a multiparty call on hold, select the [Options] key then
Multiparty/Exclude.
2-8 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
the [Options] key and Multiparty/Private to put all the other callers
on hold.
2-9 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 the [Options] key then select Multiparty/End multiparty.
Selecting the [Options] key then Multiparty/End all, will end all the
active and held calls.
2-10 Explicit Call Transfer (ECT)
If you have one caller on hold and another active call, you may
connect one call party to another call party and then leave the call.
This is done by selecting the Multiparty/Transfer option from the
in-call menu.
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