Panasonic DBS 824 Manual page 340

FF3
Related Programming
Transfer Ring Pattern
Inbound Ring Pattern
Hardware Requirement For Distinctive Ringing On Extensions An MFR
Notes
or MFRU card is required for distinctive ringing assigned to extensions
(settings l-9 in this address) See
information
Issued 3/l 195
FF2 (Trunk)# 17# (0-9)#
Section 300~Installation
DBS 824-l O-400
Extension Ring Pattern
for more
3-43