This link should automatically connect you to the meeting without the use of a meeting number or password. This is the preferred method of joining the meeting to avoid feedback and echoes. The "Select Audio Connection" drop-down menu will then give you the option of using your phone or your computer for audio, as shown below.
Meeting number: 133 572 2639
Use this if you are joining ONLY by phone and not viewing the webinar:
Access code: 133 575 2639