Panasonic KX-TVM50 Installation Manual page 97

b)
Program the PBX so that unanswered calls to the operator are redirected to the VPS
(Intercept Routing No Answer feature).
1)
Go to the "Extension-Wired Extension-Extension Settings" screen.
2)
Assign "Intercept Destination Day/Night/Lunch/Break" for the operator's extension
to a floating extension number (VPS Port).
3)
Click "Apply" to save the changed data.
4.2 KX-TDA Series PBX Programming for DPT Integration
Installation Manual 97