System information
credentials, IP address settings, port number, and the method 
used. 
VQM is an optional section of the Summary menu. Not all devices 
have voice quality monitoring (VQM) statistics. If available, VQM 
statistics are provided in a summary graph at the bottom of the 
screen displaying the MOS LQ and Call Quality. The data can be 
filtered to show only a specific interface or to show a summary of 
all calls. To change the filter, select the down arrow in the upper 
right portion of the VQM summary section. The menu that appears 
lists the available interfaces and also the Summary option. Select 
one of the options from the list. 
The time frames shown cover three different intervals: 1 hour, 12 
hours, and 1 day. More details are provided for each interval in a 
tool tip by moving the mouse over the bar on the graph. For the 
MOS LQ graph, the pop-up window displays the number of calls 
and the latency queueing (LQ) average. For the Call Quality 
graph, the tool tip displays the number of calls and the quality 
represented by each color bar. For instance, green shows 
Excellent call quality and blue shows Good call quality. To review 
the data in greater detail, double click a bar in the graph. This 
brings up the detailed VQM Statistics menu, filtering the data 
based on the bar graph selected. If the bar graph you selected 
displayed only VLAN 2 calls, then the resulting VQM Statistics 
graph shows only data for calls on VLAN 2 calls. Refer to VQM 
Statistics Menu for more information. 
ADTRAN n-Command MSP v6.1 Help
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