Panasonic 308 Installation Instructions Manual page 209

Section
700
Issue 1 July 1990
S-DBS Operating Instructions
Vl .o
POOLED TRUNK ACCESS GROUP
You can install from l-3 or l-6 outside lines in the system and then divide the lines
into four groups: local calls; low-cost: long distance;
and data communications.
Each group has a fxed code, 9 or 8 1.82 and 83, to access lines in that group. Entering
one of these codes automatically opens a line within the Pooled Trunk Access Group.
Or you can store the group code (Pooled Trunk Access Code) in an FF key or on a One-
Touch key and access the feature that way.
NOTE: To operate this phone system as a Hybrid System, modifications must be
made by a quaWed dealer for proper re-configuration and registration
procedures.