Places a call or sends an an IM, Twitter, or SMS message. To start a call, use the Session API to tell Tropo to launch your code.
        Arguments: to is a String.
        Argument: **options is a set of optional keyword arguments.
        See https://www.tropo.com/docs/webapi/call

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