Panasonic KX-TG8162AL Operating Instructions Manual page 20

Making/Answering Calls
Note:
R During a call with the handset placed on the
base unit (power back-up mode), the call
may be disconnected if you touch the
handset. In such case, try to call back.
R The range of the base unit is limited during
a power failure. Please use the handset
close to the base unit.
Continuing a call during a power
failure
When a power failure occurs during an outside
call, the unit informs you with a notification
tone. You can continue to talk for about 1
minute.
n When only 1 handset is registered:
If you want to continue the conversation,
press M N and then place the handset on
the base unit.
n When 2 or more handsets are registered:
If you want to continue the conversation,
you should leave another handset on the
base unit for supplying power.
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