Why external modems?
External modems provide you with a significantly greater level of control than internal modems. During testing, you are better able to follow the call’s progress. You can see if data is flowing properly by checking the send and receive lights. And, if communication problems should occur, you can reset the external modem by simply turning it off and on. With an internal modem you must reset your entire computer. In general, we’ve found external modems are easier for customers to set-up and configure. Initial testing times with external modems is usually shorter than with internal modems. We want you to start transmitting credit card transactions as quickly and easily as possible.
