Panasonic KX-TD500 - Manual (Page 48)

System
48 Programming Guide
2.3 Numbering Plan
Used to assign the leading digits of extension numbers, and feature numbers for system
features.
Parameter 1 1st Hundred Block Extension
Default 10
Value Range 1-2 digits consisting of 0-9
Description/Function Specifies the leading 1 or 2 digits of the extension number. Any
number "0 through 9" can be set.
Notes
• If one digit is assigned as the leading digit, 3-digit extension
numbers can be assigned.
• If two digits are assigned as the leading digits, 4-digit
extension numbers can be assigned.
Reference • 1.3 System Features (F/G)
– Flexible Numbering