Use the "Rust" Vidyo room, extension 8445. There's currently no PIN required for access.
For external callers, we use the Vidyo conferencing system, which can be accessed either via their Flash-based application or phone. I strongly recommend using the app so people can see you.
For video access follow this link, after which you should be prompted to download the application:
https://v.mozilla.com/flex.html?roomdirect.html&key=7erw95PzutXx
For phone access: