Supported browsers

Sharing Office Applications (Just an Application) does not always work as expected. When sharing some applications such as PowerPoint, Excel and Word, the Ultra window will initially show the shared application, but will not update when a new slide is accessed or scrolling to a new part of the page, or entering data into excel. Continue Reading…

http://collaborate.tlc.aston.ac.uk/help-support/ultra/browsers/

Collaborate Ultra session attendees using Firefox version 61 cannot be heard. Workaround Use Chrome browser instead. More information View more on Behind the Blackboard.

http://collaborate.tlc.aston.ac.uk/help-support/ultra/browsers/

As Collaborate Ultra runs on the latest web standards (WebRTC and HTML5), you’ll need to run an up to date browser.

You will get the best experience using the latest version of Google Chrome.

There’s more detailed information on Blackboard’s site.