Panasonic KX-TD500 - Manual (Page 288)

Toll Restriction
288 Programming Guide
Parameter Dial
Default Blank
Value Range Up to 10 digits consisting of 0-9, X, or #
Description/Function Specifies the leading 10 digits of the toll-restricted telephone
numbers.
Note
• "X" can be used as a wild card character which substitutes
any digit in its position.
Reference • 1.6 Originating Features (F/G)
– Toll Restriction