Panasonic KX-TD308 Installation Manual page 118

C
Conditions
Programming References
Feature References
Operation References
3-54 Features
Confirmation tone 4:
Sent when moving from a two-party call to a three-party call, and
vice versa. (These are caused by Executive Busy Override,
Conference, or Privacy Release.) It is possible to eliminate this
tone by System Programming.
1 s
Confirmation Tone 1 and 2 are provided to reconfirm the assigned
feature.
Section 4, System Programming
[805] External Pager Confirmation Tone
[990] System Additional Information, Fields (13), (16)
None
Not applicable.
3 Features