To ensure your cleaners always have their information on hand when using the IVR (landline) be sure to fill out the following form, print it off and hand it tho them.
This is a simple way to ensure all cleaners have the correct login and know the steps to use the method successfully. It also provides you a chance to answer any questions they may have. For reference check out: Managers Guide to Setting up IVR.
What you'll get: An 8.5"x11" PDF with 8 business cards per sheet.
Here's what it looks like: