From Marcin Wyrembak
ONEX_PORTAL_SERVER=<server>ADDLOCAL - as default it will do a full install, so I set it to only install callAsistant (this values can be found in windows install log, easily accessible at the end of the installation process). [EDIT: To add the Outlook plugin, just add "OutlookPlugin" to the ADDLOCAL list]
ADDLOCAL = ChangeARP,callAssistant
SECUREMODE = 1
_IsSetupTypeMin = Custom7. Click on Transform > Generate Transform... and safe mst file as avaya_desktop_client.mst
AgreeToLicense = Yes
msiexec /i DesktopClient.msi TRANSFORMS=avaya_desktop_client.mst
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