Panasonic DBS-2.3-400 Programming Manual page 318

Chapter 3. Extension Programming (FF3)
Related Programming
Digital Pad Settings: FF1 8# 4# 3# (1-12)# (1-12)# (0-30)#
Trunk Port Class: FF2 (Trunk)# 26# (4-8)#
Notes
Trunk Circuit Types. Circuit types can also be assigned to trunk ports. See
the Trunk Port Class address (FF2 ExtPort# 26#) for more information.
Page 3-44 DBS Manual - Revised April 2000
Section 400-Programming
DBS-2.3/9.2-400