Grandstream Networks UCM6200 Series, User Manual

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UCM6200 Series User Manual
Version 1.0.20.38
The black color of the active call means the connection of call time is less than half an hour. It means this call is
normal.
Figure 227: Call Connection less than half hour
The yellow color of the active call means the connection of call time is greater than half an hour but less than
one hour. It means this call is a bit long.
Figure 228: Call Connection between half an hour and one hour
The red color of the active call means the connection of call time is more than one hour. It means this call could
be abnormal.