Panasonic KX-TD500 System Reference Manual page 1094

Assigning Items
DISA Code (1 to 8) (cont.)
Toll LVL
Forced
Prolong
Tenant
Delayed Answer
Prolong Time
Control Code " "
Tone Detect
Default
01 01 to 16 : toll restriction level
No Yes : forced
No : option
Yes Yes : prolonging duration is available
No : prolonging duration is unavailable
1 1 : tenant 1
2 : tenant 2
After 2 rings Immediately : immediately
After 1 ring : 1 ringing
After 2 rings : 2 ringings
After 3 rings : 3 ringings
5 0 to 7 : minute
Yes Yes : Control Code is available
No : Control Code is unavailable
Yes Yes : executing tone detection
No : not detecting tone
10-I-2
Selection of Value
Continued
Reference
3-D-2.02
3-D-2.02
3-D-2.02
3-B-4.00
3-B-10.00
3-D-2.02
3-B-10.00
3-D-2.02
3-D-2.02
3-D-2.02