I keep searching for this link to download ODBC drivers on google search but it does not show up. It is buried deep within some Avaya pages. So now I put it here for my ease of use.
Also there are some resources that reference the below link for downloading other driver types (eg: JDBC) but the site is a pain to use during the times I have tested.
Avaya Aura Contact Center
If you have access to an Avaya Aura Contact Center installation, you can get JDBC drivers at the below path:
D:\Avaya\Contact Center\Manager Server\iccm\bin
ODBC Drivers are available on the installer ISO: