X-7 USB Telephone Call Recording Device to Your PC... The X-7 connects to any desktop telephone and allows you to record live telephone calls directly to your computer or network hard drive. With the touch of one button on the X-7 start recording your current telephone conversation. And when you are not on the telephone you can even use the X-7 to record a live conversation taking place in your office. The X-7 USB telephone call recorder has many valuable applications. Use the X-7 to record telephone conversations for training, authorizations, legal references or whenever you simply cant find a pen and paper to write down important information.