Cisco IP Communicator Administration Manual page 115

Chapter 6 Customizing Cisco IP Communicator
Many graphics programs provide a feature that will resize a graphic. An easy way
Tip
to create a thumbnail image is to first create and save the full size image, then use
the sizing feature in the graphics program to create a version of that image that is
25% of the original size. Save the thumbnail version using a different name.
The PNG files for background images must meet the following requirements for
proper display on Cisco IP Communicator:
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If you are using a graphics program that supports a posterize feature for
Tip
specifying the number of tonal levels per color channel, set the number of tonal
levels per channel to 16 (16 red X 16 green X 16 blue = 4096 colors).
Related Topics.
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OL-4698-01
Full size image—320 pixels (width) X 212 pixels (height).
Thumbnail image—80 pixels (width) X 53 pixels (height).
Color palette—Includes up to 12-bit color (4096 colors). You can use more
than 12-bit color, but Cisco IP Communicator will reduce the color palette
to12-bit before displaying the image. For best results, reduce the color palette
of an image to 12-bit when you create a PNG file.
List.xml File Format Requirements, page
Configuring a Background Image, page 6-8
Cisco IP Communicator Administration Guide for Cisco CallManager
Creating Custom Background Images
6-5.
6-7