Panasonic KX-TD500 - Manual (Page 134)

Group
134 Programming Guide
3.2.2 Trunk Group 2/2
Used to assign parameters for each trunk group. Up to 48 trunk groups can be created in the
system.
Parameter Silence Detection
Default Check
Value Range 1. No check [Disable]
2. Check [Enable]
Description/Function Used to disconnect the trunk line when the system detects no signal
during a CO-to-CO line call by DISA or AGC.
Reference • 1.5 Attended Features (F/G)
– Direct Inward System Access (DISA)