Multi-Tech Systems MULTIVOIP MVP-410ST/810ST - Manual (Page 243)

MultiVOIP User Guide Technical Configuration (Analog/BRI)
243
FXS Loop Start Parameters. The parameters applicable to FXS Loop
Start are shown in the figure below and described in the table that
follows.
FXS Loop Start Interface: Parameter Definitions
Field Name Values Description
FXS (Loop
Start) Y/N Enables FXS Loop Start
interface type.