Panasonic KX-NS1000 Pc Programming Manual page 837

The cost of such calls will be billed to the owner/renter of the PBX.
To protect the PBX from this kind of fraudulent use, we strongly recommend:
a.
Keeping PINs secret.
b.
Selecting complex, random PINs that cannot be easily guessed.
c.
Changing PINs frequently.
Default
Not stored
Value Range
Max. 10 digits (consisting of 0–9)
Maintenance Console Location
14.3 PBX Configuration—[6-3] Feature—Verification Code
Feature Manual References
21.1.1 Verification Code Entry
COS Number
Specifies the COS that applies when making a CO line call with the verification code.
Default
1
Value Range
1–512
Maintenance Console Location
14.3 PBX Configuration—[6-3] Feature—Verification Code
Programming Manual References
10.7.1 PBX Configuration—[2-7-1] System—Class of Service—COS Settings
Feature Manual References
21.1.1 Verification Code Entry
4.1.22 COS (Class of Service)
Itemized Billing Code for ARS
Specifies the itemized billing code used by the ARS feature for identifying calls made with a verification code
for accounting and billing purposes.
Default
Not stored
Document Version 2016-03
14.3 PBX Configuration—[6-3] Feature—Verification Code
PC Programming Manual 837