Preparing for an interview over the phone is primarily a mental exercise, and something that is easy to prepare for. It is the second impression that you will make on a hiring decision maker the first impression was obviously made for you by your resume and cover letter, and must have been positive, or you would not have this interview appointment. That being the case, it is worth while to prepare for it and be ready to put your best foot forward.
Step one in getting yourself mentally prepared is to rehearse. Practice in front of the mirror, or with a friend or your spouse listening to you, asking questions and playing the part of the interviewer. Make a list of questions you expect the interviewer to ask and have good answers prepared, but have them on the top of your head in general and not memorized. Memorized answers can sound canned and not real, and will not help you. You need to appear genuine and real.
Step two is preparing and practicing two or three ideas that you want to get across to the interviewer as to why you are the right person for this job. If you are having trouble thinking of ideas, read your resume again. Look for the key points,...