Both infographics give you good tips about this process which will help you understand the basics and build on it. You should not just rely on them, use them as a start to develop your understanding then do more research.
Telephone interviews are now an important part of the job search to gain an interview so you must prepare as well as you do for an face to face interview. Approach it with the same determination of a face to face interview and don't just aim to impress, aim to succeed to get the job!