NEC univerge sv8100 Installation Manual page 22

For enhanced logging (call tracing etc, for escalation prurposes) select Trace mode. Please
bear in mind this creates daily log files that can over time use a large amount of hard disk
space. Click OK to continue.
The change in logging requires a reboot to take affect.
It is recommended to leave as normal logging unless instructed otherwise.
Further configuration and verification can be performed by clicking the Device Tab.