| Lesson 3. 
              Record Voice MessageLesson 1 and Lesson 2 implement the first three steps of the 
              sample application. In this lesson, step 4 and step 5 are 
              implemented. 
                Asks the caller to record a voice 
                message
Asks the caller to listen to the 
                recorded voice message, press 1 to continue and press 2 to 
                record again 
         Video: Record Voice Message 
              This lesson covers the following topics: 
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