To add a device:
Log in to https://login.meetingroomapp.com/.
Click on Devices on the left.
Click on Add device.
Download the app to the tablet (iPad or Android), launch the application and click on Existing user.
Enter a token number into New device.
To delete (unpair) a device:
Log in to https://login.meetingroomapp.com/.
Click on Devices on the left.
Click on the name of the device.
Scroll down to the bottom of the page and click on Delete device.