Panasonic KX-TD500 User Manual page 202

3.2 System Control
To set (contd.)
T7536 / T7235
Features
Press "Features."
202
OR
PREV
Press "TRK Route CTL."
Rotate Jog Dial or
press "PREV" until the
following is displayed.
→
TRK Route CTL ( PHY)
trunk port physical no.
Enter trunk port
physical number.
Operator / Manager Operation