Adjusted device update to handle NULL Rtt from database
Adjusted device update to handle NULL Rtt from database
aldridged/gtg-gts-bhp,aldridged/gtg-gts-bhp,aldridged/gtg-gts-bhp,aldridged/gtg-gts-bhp,aldridged/gtg-gts-bhp,aldridged/gtg-gts-bhp,aldridged/gtg-gts-bhp