Panasonic KX-TVP50 Installation Manual page 233

Other Parameters - Disconnect Parameter
To select the Disconnect Parameter, follow the menu path as shown:
System Administration Top Menu - 1 - 5 - 7 - 9
Parameter
Maximum
Silence Time
SYSTEM ADMINISTRATOR'S GUIDE
Value Range
(Default)
5-60 s The VPS will disconnect the call if silence is detected for
(10) more than the specified time.
B6 SYSTEM ADMINISTRATION - SYSTEM PARAMETER SETTINGS
Table 64
Description/Function
233