Figure 173: Call Connection Less Than Half Hour; Figure 174: Call Connection Between Half An Hour And One Hour - Grandstream Networks UCM6510 User Manual

On Active Calls page, click on to refresh the status of active calls.
The green color of the active call means the connection of call time is less than half an hour. It means this
call is normal.

Figure 173: 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 174: 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.
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UCM6510 IP PBX User Manual