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Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 8.5 (SIP)
OL-20861-01
Chapter 12 Troubleshooting and Maintenance
General Troubleshooting Tips
Subject too dark in video The lighting conditions within the camera’s field of view of the camera affects
the brightness of the video.
• Adjust the View Area for your camera. Try moving the location of the
camera and check if the brightness improves.
• Adjust the camera brightness by navigating to Accessories > Cisco Unified
Video Camera > Brightness and adjusting the brightness settings.
The recipient endpoint only sees a mute
image
If the “Auto Transmit Video” is set to “Off”, the camera will automatically
transmit the mute image. The red LED illuminated on the top of the camera
indicates that the video is muted. Set the Auto Transmit Video setting to On to
restore video on the other side.
Camera not detected by phone Unplug and then re-connect the camera back to the phone.
Table 12-2 Cisco Unified IP Phone Troubleshooting (continued)
Summary Explanation