The good news here is you are connecting and your computer and our term server are talking to each other. The bad news, is of course, that we are rejecting you. The absolute most common cause for this is failure to put .ppp after your user name. Make sure that your username and password are lower case.
Case makes a difference.
Ksmith.ppp is not the same as ksmith.ppp. Re-enter your password. Because you cannot see your password when typing it in, many people make mistakes on the password. If you get a modem error and trumpet does not dial, you may have a modem that does not accept the setup string in the setup.cmd file. Click on dialler then manual login.