Panasonic KX-NS500 - Page 198

c. Select one of the following options for Select default value of Numbering Plan:
– 3 digits Extension Number
– 4 digits Extension Number
d. Click Next.
Note
Depending on
the value selected above, the numbering plan of the PBX will vary as follows. Select this
value with care.
198 Installation Manual
5.4.1 Easy Setup Wizard