Panasonic KX-TD816JT Programming Manual page 74

2.1 Changed and Added Programming
8.
To programme another user code, press NEXT or PREV, or SELECT and the desired
DISA / TIE user code number.
9.
Repeat steps 4 through 8.
10.
Press END.
Conditions
• This setting is required if Trunk (Outside line) Security mode is selected in programmes
[440] TIE Security Type and [809] DISA Security Type.
• Each code should be unique and composed of four through ten numerical digits, 0 through
9.
Features Guide References
Direct Inward System Access (DISA)
E&M (TIE) Line Service
74 Programming Guide