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SOLUTION: Invalid Mailbox/Forwarding Error Message When Using RoboKiller App

 Over the last several, days we have come across multiple complaints to a 3rd Party product “RoboKiller” that is meant to intercept spam calls for customers. Unfortunately, the product is setting up a condition call forward busy to an invalid number. Customers who are on the phone are reporting the caller is directed to that number which gives an error "the mailbox does not exist" or can’t be forwarded. Sprint's research has indicated that the customer must remove the application from the device and we have to clear the call forwarding settings in our tools. 


The application developer now has a response for their customers posted:



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‎01-04-2019 11:14 AM
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