Hi, At Chicago Business VoIP are so confident in our service and ability to deliver a quality solution they back it with a 60 day money back guarantee. CBV will refund 100% of the customer’s “amount due at signing” originally paid to CBV at contract start if they cannot get the service working to the customer’s satisfaction within 60 days from installation*. Visit their website by clicking at https://www.chicagobusinessvoip.com/