You can configure the background and screen saver of the phone using the web interface for all the models of Avaya J100 Series IP Phones except Avaya J129 IP Phone.
Log in to the web interface.
In the navigation pane, click Display Settings.
Configure the fields of the following sections:
Background Image
Screen Saver
Click one of the following:
Save: To save the configuration changes.
Reset to Default: To revert to the default values.