Reset The Conference Phone To Factory Defaults From The Keypad; Voice Quality Monitoring - Cisco 8832 Administration Manual

Reset the Conference Phone to Factory Defaults from the Keypad

• Network—Resets the network configuration to default settings.
• Service mode—Clears the current service mode, deactivates the VPN and restarts the phone.
• Security—Resets the security configuration to default settings. This option deletes the CTL file.
Step 4 Press Reset or Cancel.
Related Topics
Reset the Conference Phone to Factory Defaults from the Keypad
When you reset the phone from the keypad, the phone reverts to the factory settings.
Procedure
Step 1 Unplug the phone:
• If using PoE, unplug the LAN cable.
• If using the power adapter, unplug the adapter.
Step 2 Wait 5 seconds.
Step 3
Press and hold #, and plug the phone back in.
Step 4 When the phone boots up, the LED strip lights up. When the LED turns off, press 123456789*0# in sequence.
After you press these buttons, the phone goes through the factory reset process.
If you press the buttons out of sequence, the phone powers on normally.
Caution
Related Topics

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
Cisco IP Conference Phone 8832 Administration Guide for Cisco Unified Communications Manager
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Text and Menu Entry From the
Do not power down the phone until it completes the factory reset process, and the main screen
appears.
Text and Menu Entry From the
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.
Phone, on page 37
Phone, on page 37
Cisco IP Conference Phone Troubleshooting