Png File Requirements For Custom Background Images; Configuring A Custom Background Image - Cisco 8961 Administration Manual

Chapter 9 Customizing the Cisco Unified IP Phone

PNG File Requirements for Custom Background Images

Each background image requires two PNG files:
•
•
Many graphics programs provide a feature that resizes a graphic. An easy way to create a thumbnail
Tip
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 by using a
different name.
The PNG files for background images must meet the following requirements for proper display on the
Cisco Unified IP Phone:
•
•
Tip

Configuring a Custom Background Image

To create custom background images for the Cisco Unified IP Phone, follow these steps:
Procedure
Create two PNG files for each image (a full size version and a thumbnail version). Ensure the PNG files
Step 1
comply with the format guidelines that are listed in the
Images" section on page
Upload the new PNG files that you created to the following subdirectory in the TFTP server for the Cisco
Step 2
Unified Communications Manager:
Desktops/640x480x24
Note
To upload the files, choose Software Upgrades > Upload TFTP Server File in Cisco Unified
Communications Operating System Administration. For more information, see the
chapter in Cisco Unified Communications Operating System Administration Guide.
Note
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 8.6 (SIP)
Full size image—Version that appears on the on the phone.
Thumbnail image—Version that displays on the Background Images screen from which users can
select an image. Must be 25% of the size of the full size image.
Full size image—640 pixels (width) X 480 pixels (height).
Thumbnail image—123 pixels (width) X 111 pixels (height).
If you are using a graphics program that supports a posterize feature for grayscale, set the
number of tonal levels per channel to 16, and the image posterizes to 16 shades of grayscale.
9-5.
The file name and subdirectory parameters are case sensitive. Be sure to use the forward slash
"/" when you specify the subdirectory path.
If the folder does not exist, the folder gets created and the files get uploaded to the folder.
Creating Custom Background Images
"PNG File Requirements for Custom Background
"Software Upgrades"
9-5