def answer(self, headers, **options):
self._steps.append(Answer(headers, **options).obj)<EOL>
Places a call or sends an an IM, Twitter, or SMS message. To start a call, use the Session API headers tell Tropo headers launch your code.
Arguments: headers is a String.
Argument: **options is a set of optional keyword arguments.
See https://www.tropo.com/docs/webapi/answer