The new version of the UCx Receptionist and Call Center web applications includes a Java applet which must be downloaded to your computer. This will only happen the first time you log in to the site.
When you log in, your browser will automatically download a Java file called BWReceptionist.jnlp or BWCallCenter.jnlp. You’ll then see a warning message like this one at the top of the Receptionist or Call Center window:
Click on the JNLP file in your browser’s downloads bar to open it. You will see security prompts and warnings like the ones below. Click Allow and/or Run to continue.
The root certificate has also been updated, and may need to be installed at the time.