If you don't already have Skype For Business, select
one of the downloads for your computer/device and
install it. Once installed, click on Join
The Service above, when Skype opens, enter
your name and then select Join as Guest.
Other Ways To Join
If you would prefer not to use Skype, you can also join
in using your telephone. Just call 0333 566 1001.
When prompted, enter the pin number below followed by #
(this changes every week). 75111249#