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Letters - creating a QR code

Overview   What Is a QR Code? QR codes, short for "quick response" codes, are square-shaped black-and-white symbols that people can scan using a smartphone to learn more about a product. These encrypted squares can hold links, coupons, event details... Read More

Letters - adding a QR code

Overview   It may be useful to add a QR code to printed letters that are mailed out containing a link to a specific website address that you want the recipient to go to.  Examples: Invoices sent to patients linking to your online payment portal... Read More

"User or device not authorized to use the service" error

Overview If you have received this error when attempting to use TDO Mobile, it is likely that you are trying to access from a new device. When you change devices, a new PIN will need to be associated with the account inputted in the Setup area. This... Read More

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