I am currently in a situation in which I want to cancel my Internet Service from my current provider. The service is for a business, and it is a DSL connection. The employee who is no longer with this company setup our internet service, but did not sign a contract. When I called to cancel the service, the ISP said that we owed them $800, citing the promotions they had previously applied to our bill as the $800 charge. Since there is no signed contract, I feel like I have no obligation to pay that charge and should be able to cancel freely. Is this true or am I crazy?