Panasonic DBS 824 Manual page 402

FF7
Software Version CPC-S and CPC-M, Version 1 0 and higher
Address FF7 l# (4-lO)# (0 or l)#
Description
Use this program to restrict dialing of special 3-digit numbers (211-811) on
trunks assigned TRS types 2-6 ("911" is permitted in all cases )
Programming
Issued 3/l /95
3-Digit Toll Restriction For TRS Types 2-6
FF7 l#(/O)# (0 jr
Special Numbers
DBS 824-l O-400 7-9