mangosR2/mangos — comment on commit 90b054874e4fcc00beae426d93b76cc7879a0d0c
File:  line 0
By Reamer:

If you use TEMPSUMMON_TIMED_DESPAWN_OUT_OF_COMBAT, and timer 2 minutes then creature respawn after 25 seconds and attack the player again, the outofcombatTimer is reset to 2 minutes