The Threshold Crossing Alert (TCA) reporting method. The transient(1) method treats each observation interval separately. As soon as a threshold value is reached or crossed for a given counter, a TR (Threshold Report) notification is sent. At the end of the observation interval a RTR (Reset Threshold Report) notification is sent, provided that a TR was sent. For the standing(2) method, as soon as the current count in the bin crosses the set threshold value during the ongoing observation interval a TR notification is sent. A corresponding RTR notification is sent when at the end of a full observation interval, the current count stays below the reset threshold, provided that the previous notification was a TR.