To prevent Errors with file name and class name, I've renamed the Exa…

…mpleCallin.java to ExampleCallIn.java (with capital "I").

This would have been the error if you do javac -cp asterisk-java.jar ExampleCallIn.java:

    ExampleCallin.java:13: class ExampleCallIn is public, should be declared in a file named ExampleCallIn.java
    public class ExampleCallIn extends BaseAgiScript {
           ^
    1 error