Panasonic KX-TVM50 Installation Manual page 179

3.
Assignment of the extension line to be connected to the VPS
a)
Go to the "4-2 Extension Line 1/2" screen.
b)
Set "Data Line Mode" to "Yes".
c)
Click "Apply" to save the changed data.
Note
• This program prevents the VM port from being interrupted by the "Call Waiting", "Hold
Recall", and "Executive Busy Override" features during a call.
5.6 KX-TD500 PBX Programming for Inband Integration
Installation Manual 179