4. Scroll down to Text size, and press Select.
5. Scroll down to Secondary display, and press Select.
6. Press one of the following:
• Right arrow key: To increase the font size.
• Left arrow key: To decrease the font size.
7. (Optional) Press Default to restore the default font size.
8. Press Save.
Setting the phone screen width
Procedure
1. Press Main Menu.
2. Scroll to Settings and press Select.
3. Scroll to Display and press Select.
4. Scroll to Phone screen width, and press Select.
5. Press Toggle to select one of the following options:
• Full: Each call appearance or feature occupies the entire width of a line.
• Half: Each call appearance or feature occupies half the width of a line, effectively
splitting the screen in two halves.
• Default: Each call appearance or feature occupies the entire width of a line.
6. Press Save.
Customizing keys of the secondary display
Adding a labeled key
About this task
Use this procedure to add a labeled key to an empty line for a quick access to the contact, feature
or application.
Before you begin
Ensure the Contacts list is not empty before adding a key labeled with the contact.
Customization
February 2022 Using Avaya J159 SIP IP Phone in Open SIP 156
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