Tone 2
• 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
• For KX-UT series SIP phone users: Tone 2 will be heard when any of the following features are set.
– Display Lock
• For KX-UT series SIP phone and S-PS users: Tone 2 will be heard when any of the following features
are set.
– Call Forwarding
– Do Not Disturb
Tone 3
• When answering an external
sensor call
(Not available for KX-UT series SIP
phones and S-PSs)
• After pressing TRANSFER or
Recall/hookswitch to hold a call
temporarily (e.g., Call Splitting)
• While a called PS is being
searched
• When Account Code Entry is
performed
• When answering a Timed
Reminder call with no message
Tone 4
Message waiting indication was
received.
5.4.1 What is This Tone?
358 Operating Manual