A company hires an individual if it believes that he can perform the job under discussion. To perform a job you require a set of technical skills, accompanied by some personal qualities. Some of these skills and qualities get developed as grow and gain some professional experience.So, focus your answer on the qualities and skills you possess which will help you do the job well.Relate to the job requirements, as listed in the job notification with your candidature and say that since you meet all these requirements, you think that you should be hired for this position.Of course the confidence in your voice will get reflected as you speak over the phone.   _{Your Comment}