Panasonic KX-TD500 System Reference Manual page 1213

Index Number Input Values
Item
Assigning Items
Number
None
Account Code Verified Mode
Reference
It is helpful to use this feature together with ACL feature.
Refer to Section 3-F-11.00 "Call Accounting Summary" for further information.
Input Value
Y : Enabled
N : Disabled
(Default = N)
11-C-87