Panasonic KX-TD1232JT Programming Manual page 220

2.9 Optional Programming
5.
Enter your selection (0 or 1).
To change the current entry, press STORE and the new selection.
6.
To programme another bit, repeat steps 4 and 5.
7.
Press STORE.
8.
To programme another COS, press SELECT and the desired COS number.
9.
Repeat steps 4 through 8.
10.
Press END.
Conditions
None
Features Guide References
Call Forwarding
Calling Party Control (CPC) Signal Detection
Class of Service (COS)
220 General Programming