Panasonic KX-TD500 Installation Manual page 231

4.5.11 Caller ID Modification
Value Range
Parameter
(default)
Digits to delete
for long
distance calls
Digits to add for Up to 4 digits
consisting of 0-9,
long distance
calls
4-92 System Programming
0 - 9 Specifies the number of digits to be deleted from the
(0) telephone number (sent from the Central Office by
Caller ID Service) to make up a telephone number for
long distance call. Digits are removed from the
beginning of the received digits.
Specifies the number of digits to be added to the
telephone number (sent from the Central Office by
and #.
Caller ID Service) to make up a telephone number for
(1)
long distance call. Digits are added to the beginning of
the received digits.
Description/Function Reference