Panasonic KX-T336 System Reference Manual page 292

2.11 Multiple GCO Assignment
Description
Programming
More than one GCO button of the same trunk group can be assigned to a
single PITS extension.
(Example)
Assuming that Trunk Group 01 consists of the following CO lines.
TG01 CO line 1011
CO line 1012
CO line 1013
CO line 1014
Case 1.
Ext.100
Case 2.
Ext.100
Case 1
Old version Available
New version Available
System Programming
"Extension-Station (2/3)",
Type and Number
3-D-17-3
(70695)
Ext.101
Ext.101
Case 2
Not Available
Reference
VT Dumb
9-G-1.02 10-C-24.00