For meetings that are hosted on a recognised conferencing service, the user is offered up to 3 participation options.
1) Join from local client, e.g Lync 2013 Mobile or Jabber for Android
2) Join from a nearby Video Conference device
3) Join by phone (Audio Only)
NOTES: This application can only be used in conjunction with the Conference Assistant web service. A valid enterprise username, password and service URL are required to connect to the web service.
QR code reader function is provided by ZXING (https://github.com/zxing/zxing)