Panasonic KX-TG8231 Operating Instructions Manual page 18

Making/Answering Calls
users to join your conversations, leave
this feature off. The default setting is
"Off".
1
Press {MENU} during an outside
call.
2
{V}/{^}: "On" or "Off"i {SELECT}
L When this feature is turned on,
! is displayed.
Note:
L This feature will turn off after you
hang up the call.
18
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