Panasonic KX-TD500 System Reference Manual page 186

2.00 Directory Number (DN)
Description
Directory numbers are the software type logical
numbers which are programmed to match the
hardware type physical numbers (port numbers)
attached to ports of extensions.
Accordingly, directory numbers are extension
numbers.
Directory numbers are assigned in "Configuration-
DN Assignment" to be three or four digits.
Only numeric characters "0 to 9" can be used as a
Directory Number.
Directory number setting follows the setting in
"System-Numbering Plan", 1st Hundred Block
Extension through 16th Hundred Block Extension.
Programming
System Programming
"Configuration-DN Assignment"
"System-Numbering Plan (1/11)(2/11)",
1st Hundred Block Extension
•
•
•
16th Hundred Block Extension
Conditions
There are two types of directory numbers: the
Primary Directory Number (PDN) and the
Secondary Directory Number (SDN).
For further details of PDN, refer to Section 4-B-3.01
"PDN Button". For SDN, refer to Section 4-B-3.02
"SDN Button".
If you assign only one digit in "System-Numbering
Plan", 1st Hundred Block Extension through 16th
Hundred Block Extension, you can assign three-
digit DNs which start with the pre-assigned digit in
"Configuration-DN Assignment".
If you assign leading two digits in "System-
Numbering Plan", you can assign four-digit DNs
which start with the pre-assigned two digits in
"Configuration-DN Assignment".
<Example>
System-Numbering Plan
No. Feature
1 1st Hundred Block Extension
2 2nd Hundred Block Extension
3 3rd Hundred Block Extension
4 4th Hundred Block Extension
DNs from 8000 to 8099 are assignable.
DNs from 7000 to 7099 are assignable.
DNs from 600 to 699 are assignable.
DNs from 500 to 599 are assignable.
Reference
VT Dumb
11-C-3.00
10-C-3.00
10-D-6.01 11-C-11.00
10-D-6.02
3-B-6
Numbering Plan (1/11)
DG1 DG2
5
6
7 0
8 0
DG3 DG4
- -
- -
- -
- -