The biggest enemy of effective legal marketing is a lack of time. Time management is more about habits than it is about management. One of the bad habits you should immediately break is the habit of answering a ringing phone. You read that correctly. Answering the phone will definitely hurt your productivity. This video goes into detail.
Answering your phone does not make you more attractive to a client or prospective client. It makes you look desperate and unprepared. That is bad legal marketing. Do yourself a favor: Have someone take messages for you and schedule your return phone calls. You will be glad you did.