Panasonic KX-TG577 Operating Instructions Manual page 28

Making/Answering Calls
Handset voice enhancer
This feature clarifies the voice of the
person you are talking to, reproducing a
more natural-sounding voice that is easier
to hear and understand.
1
Press {MENU} during an outside call.
2
Press {3} to select "Voice enhancer"
or "V.E. off".
L When this feature is turned on, W is
displayed.
Note:
L Depending on the condition and quality
of your telephone line, this feature may
emphasize existing line noise. If it
becomes difficult to hear, turn this
feature off.
Call share
This feature allows the handset and base
unit to join an existing outside call.
Handset
To join the conversation, press {C} when
the other extension is on an outside call.
Base unit
To join the conversation, press {SP-
PHONE} when the handset is on an
outside call.
Note for handset and base unit:
L A maximum of 4 parties (including 1
outside party) can join a conversation
using 3 extensions.
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For assistance, please visit http://www.panasonic.com/phonehelp
Call privacy
Call privacy allows you to prevent other
users from joining your conversations with
outside callers. To allow other users to join
your conversations, leave this feature off.
Handset
1
Press {MENU} during an outside call.
2
Press {1} to select "Privacy on" or
"Privacy off".
L When this feature is turned on,
"PRIV." is displayed.
Note:
L This feature will turn off after you hang
up the call.