Chapter 6 Customizing the Cisco Unified IP Phone

Creating Custom Background Images

The image choices that users see come from PNG images and an XML file (called List.xml) that are stored on the TFTP server used by the phone. By storing your own PNG files and editing the XML file on the TFTP server, you can designate the background images from which users can choose. In this way, you can provide custom images, such as your company logo.

The following sections describe how you can customize the background images that are available at your site by creating your own PNG files and editing the List.xml file:

List.xml File Format Requirements, page 6-4.

PNG File Requirements for Custom Background Images, page 6-5.

Configuring a Custom Background Image, page 6-5

List.xml File Format Requirements

The List.xml file defines an XML object that contains a list of background images. The List.xml file is stored in the following subdirectory on the TFTP server:

/Desktops/320x212x12

Tip If you are manually creating the directory structure and the List.xml file, you must ensure that the directories and files can be accessed by the user\CCMService, which is used by the TFTP service.

For more information, see the “Cisco TFTP” chapter in Cisco Unified Communications Manager System Guide and the “Software Upgrades” chapter in Cisco Unified Communications Operating System Administration Guide.

The List.xml file can include up to 50 background images. The images are in the order that they appear in the Background Images menu on the phone. For each image, the List.xml file contains one element type, called ImageItem. The ImageItem element includes these two attributes:

Image—Uniform resource identifier (URI) that specifies where the phone obtains the thumbnail image that will appear on the Background Images menu on a Phone.

URL—URI that specifies where the phone obtains the full size image.

The following example shows a List.xml file that defines two images. The required Image and URL attributes must be included for each image. The TFTP URI that is shown in the example is the only supported method for linking to full size and thumbnail images. HTTP URL support is not provided.

List.xml Example

<CiscoIPPhoneImageList>

<ImageItem Image=”TFTP:Desktops/320x212x12/TN-Fountain.png” URL=”TFTP:Desktops/320x212x12/Fountain.png”/>

<ImageItem Image=”TFTP:Desktops/320x212x12/TN-FullMoon.png” URL=”TFTP:Desktops/320x212x12/FullMoon.png”/> </CiscoIPPhoneImageList>

The Cisco Unified IP Phone firmware includes a default background image. This image is not defined in the List.xml file. The default image is always the first image that appears in the Background Images menu on the phone.

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Cisco Systems 7970G, 7971G-GE manual List.xml File Format Requirements, List.xml Example

7970G, 7971G-GE specifications

The Cisco Systems 7971G-GE is a sophisticated IP phone designed for enterprise communication, offering a range of features that enhance productivity and collaboration. As part of the Cisco Unified Communications portfolio, this phone is known for its impressive technology and reliable performance.

One of the main features of the 7971G-GE is its high-resolution color display. The 5-inch LCD screen provides users with a visually appealing and intuitive interface, allowing for easy navigation through menus and contacts. The phone supports up to six lines, making it ideal for users who require multiple lines for simultaneous calls. Users can effortlessly manage calls with the ability to switch between lines and access important call features like hold, transfer, and conference calling.

In terms of audio quality, the Cisco 7971G-GE is equipped with high-definition voice technology. This feature ensures crystal-clear sound during calls, reducing background noise and enhancing the clarity of conversations. The phone also supports wideband audio codecs, enabling a richer voice experience that is particularly valuable in business environments.

The phone is designed with user convenience in mind. It offers programmable buttons that can be customized to suit individual needs, allowing easy access to frequently used functions or contact lists. Additionally, the presence indicator feature lets users see the availability of their colleagues in real-time, promoting more effective communication and collaboration.

Networking capabilities are another strong point of the Cisco 7971G-GE. The phone supports both Power over Ethernet (PoE) and standard Ethernet connectivity. This enables easy deployment without the need for additional power outlets. Moreover, the device is compatible with various Cisco communication platforms, integrating seamlessly with existing Cisco infrastructure, which is essential for businesses looking to upgrade their communications systems.

Security is a crucial consideration for modern enterprises, and Cisco addresses this with robust encryption features that protect voice and video calls. The phone supports secure signaling and media encryption, ensuring that sensitive conversations remain confidential.

Overall, the Cisco Systems 7971G-GE is a feature-rich IP phone that combines advanced technology with user-friendly design. Its high-definition audio, customizable features, and seamless integration with Cisco networks make it a popular choice for businesses seeking to improve their communication systems. With its reliability and performance, the Cisco 7971G-GE continues to support effective collaboration in an increasingly connected world.