Panasonic KX-TDA600 Operating Manual page 199

Tone 2
• When there are messages
that have previously been
listened to and no new
messages on the SVM card
• When any of the following
features are set:
• Absent Message
• Background Music
• Call Forwarding
• Call Pickup Deny
• Call Waiting
• Do Not Disturb
• Extension Dial Lock
• Executive Busy Override
Deny
• Hot Line
• Timed Reminder
Tone 3
• After pressing
TRANSFER or Recall/
hookswitch to hold a call
temporarily (e.g., Call
Splitting)
• When the recording
space of the Simplified
Voice Message feature
becomes almost full
• While a called PS is
being searched
• When Account Code
Entry is performed
• When answering a
Timed Reminder call with
no message
• When answering an
external sensor call
Tone 4
Message waiting indication was
received.
When you make calls
Busy Tone
1 s
1 s
1 s
1 s
4.3 Tone
Operating Manual 199