Panasonic KX-TD500 System Reference Manual page 348

Programming
System Programming
"Group-Trunk Group (3/3)",
CO-TIE Restriction
TIE-CO Restriction
TIE Incoming Delete Digit
TIE Incoming Insert Dial
"Special Attended-TIE LineRouting Table",
Code
Delete Digit
Insert Dial
Trunk Group Hunt Sequence 01-05
"TIE Trunk Relay Restriction (TRR)"
3-F-88
Reference
VT Dumb
10-E-1.03 11-C-17.00
10-I-4.00 11-C-57.01
— 11-C-57.03