Cisco 6800 Series Manuel d'entretien - Page 3

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Maintenance

Perform Factory Reset from Phone Menu

Procedure

Step 1

Press Applications

Step 2

Select Device administration > Factory reset.

Step 3

To restore phone configuration or settings to factory default, press OK.

Factory Reset the Phone with the Web UI Button

You can factory reset the phone from the phone web page. The reset only happens if the phone is idle. If the

phone is not idle, the phone web page shows a message that the phone is busy and that you need to try again.

Before you begin

Access the phone administration web page. See

Procedure

Step 1

Select Admin Login > advanced > Info > Debug Info.

Step 2

In the Factory Reset section, click Factory Reset.

Step 3

Click Confirm factory reset.

Voice Quality Monitoring

To measure the voice quality of calls that are sent and received within the network, Cisco IP Phones use these

statistical metrics that are based on concealment events. The DSP plays concealment frames to mask frame

loss in the voice packet stream.

• Concealment Ratio metrics—Show the ratio of concealment frames over total speech frames. An interval

• Concealed Second metrics—Show the number of seconds in which the DSP plays concealment frames

Note

Concealment ratio and concealment seconds are primary measurements based on frame loss. A Conceal Ratio

of zero indicates that the IP network is delivering frames and packets on time with no loss.

conceal ratio is calculated every 3 seconds.

due to lost frames. A severely "concealed second" is a second in which the DSP plays more than five

percent concealment frames.

Perform Factory Reset from Phone Menu

Access the Phone Web

Page.

Maintenance