The Knowledge base
Should I connect my terminal through a phone or Internet line?
It is personal preference, but the choice could ultimately depend on what type of credit card processing machine you decide to get for your business. If you opt to use a telephone line, be sure to have a dedicated landline because things like call waiting and other incoming calls can interrupt, or cancel a transaction. A number of businesses prefer using an Internet-connected terminal for faster transactions and don’t need to dedicate a landline for their terminal.