Periodic TAU notifications %XT3412

The Nordic-proprietary %XT3412 command subscribes and unsubscribes periodic Tracking Area Update (TAU) notifications. Based on XT3412 indications, the application can optimize its power efficiency by synchronizing its data transmissions with periodic TAU procedures.v1.3.x

For more information on the use of the %XT3412 command, see nWP041 - nRF9160 Modem Sleep Notifications.