Whether you are making business or social phone calls, they are a means for exchanging information. Business phone calls in particular are instrumental in making all types of decisions so making sure the phone calls you make are productive is crucial. Have all the materials necessary in front of you and write down questions in advance so you can reduce the amount of time spent on the phone. You might also want to set limits on certain phone calls or even start the conversation with an agenda so that you are sure to accomplish the issues you need to talk about.