Then all you have to do is fix the problem. Usually adding a few additional configuration options to your eznet setup will do the trick. Eznet makes very few assumptions about your modem. If your particular modem requires some additional setup, you can cause eznet to issue extra initialization commands to the modem using configuration parameters. In this example, the first string resets the modem, and the second string tells the modem to hangup and reset whenever the DTR line goes low.
Some folks like to turn the speaker on their modem off.
Eznet assumes by default that you are using version 2.3 or later of pppd. Eznet does a good job of negotiating the login name and password of most ISPs on its on, but with some ISPs it may require some additional hints. This transcript should help you figure out what is going wrong. With some service providers it may be necessary to respond to unusual login prompts. By default, eznet would not recognize this string and would not know how to respond.