• Get to the Site Search page (also called Advanced Search)
• Click the "Technology at Site" on left side
• Click on "Comm Equipment at Site" in the sublist
• Click on the "Primary Phone System at Site" link
• Click on "Avaya" in the drop down list. (Optionally, click on other systems while holding down the CTRL key).
• Click on the grey "Save this selection" button.
• Optionally choose other criteria like Geography.
• Get a report by clicking on the "Contacts" link beside the "Go Get" arrow.

Have more questions? Call the Support Center at 800-645-5795.