Hi, MKT!
PERIODIC LOCATION UPDATE enables the location of stationary MSs to be confirmed at a rate determined by the operator;
If PERIODIC LOCATION UPDATE disabled —> this results in subscriber unavailability for MTC and MT_SM (in some cases – when subscriber within one location
area and don’t attempts any activity, e.g. MOC,SCI, etc) due to Implisit Detach Procedure in MSC