Where To Go For More Troubleshooting Information; Cleaning The Cisco Unified Ip Phone - Cisco 6901 Administration Manual

Chapter 7 Troubleshooting and Maintenance
Table 7-3
Metric Change
MOS LQK scores increase
significantly
Voice quality metrics do not account for noise or distortion, only frame loss.
Note

Where to Go for More Troubleshooting Information

If you have additional questions about troubleshooting the Cisco Unified IP Phones, several Cisco.com
web sites can provide you with more tips. Choose from the sites available for your access level.
•
•

Cleaning the Cisco Unified IP Phone

To clean your Cisco Unified IP Phone, use only a dry soft cloth to gently wipe the phone. Do not apply
liquids or powders directly on the phone. As with all non-weatherproof electronics, liquids and powders
can damage the components and cause failures.
Cisco Unified IP Phone 6901 and 6911 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
OL-24582-01
Changes to Voice Quality Metrics (continued)
Cisco Unified IP Phone Troubleshooting Resources:
http://www.cisco.com/en/US/products/hw/phones/ps379/tsd_products_support_troubleshoot_and_
alerts.html
Cisco Products and Services (Technical Support and Documentation):
http://www.cisco.com/en/US/products/ps10326/tsd_products_support_series_home.html
Where to Go for More Troubleshooting Information
Condition
Check to see if the phone is using a different codec than
•
expected (RxType and TxType).
Check to see if the MOS LQK version changed after a
•
firmware upgrade.
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