When and how often do TaG and SOS Alerts get sent?

Contacts receive Notifications and messages according to their level assigned (see: What are Notifications?’)

TaG Timers

Level 1 and 2 contacts for TaG Timers receive the initial Overdue immediately and first Warning notification after a timed pause.

Level 1 contacts continue to receive ongoing Alert notifications after the Timed pause – at intervals of 2 minutes for the first 20 minutes then every 20 minutes till turned off. (see also: Who gets what notifications and when?)

SOS

Level 1 and 2 contacts for SOS receive an initial SOS notification immediately.

Level 1 contacts continue to receive ongoing Alert notifications once activated at intervals of 2 minutes for the first 20 minutes then every 20 minutes till turned off. (see also: Who gets what notifications and when?)