Panasonic KX-TGM420 Operating Instructions Manual page 179

Problem
The handset
does not ring.
The base unit
does not ring.
Cause/solution
• The ringer volume is turned off.
Adjust the ringer volume (page 71,
108).
• Silent mode is turned on. Turn it off
(page 124).
• The ringer volume is turned off by
pressing and holding [0]
). Press and hold [0] (
(
again to turn it on (page 72).
• The ringer volume is turned off.
Adjust the ringer volume (page 71,
108).
• Silent mode is turned on. Turn it off
(page 124).
• The ringer volume is turned off by
pressing [RINGER OFF]. Press
[RINGER OFF] again to turn it on
(page 71).
)
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