Panasonic KX-TD1232 Program Manual page 169

Outside lines 25 through 47 become available for the PRI ISDN line when the KX-TD290
expansion unit is installed in the Master System of the KX-TD1232.
• To assign all outside lines to one selection, press the
shows the contents programmed for outside line 01.
Features Guide References
Integrated Services Digital Network (ISDN) — Primary Rate Interface (PRI)
Outside Line Connection Assignment
T1 Line
Programming Guide
General Programming
key in step 3. In this case, the display
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