<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def status(self, reference_id, **params):
 """ Retrieves the current status of the voice call. See https://developer.telesign.com/docs/voice-api for detailed API documentation. """

        return self.get(VOICE_STATUS_RESOURCE.format(reference_id=reference_id),
                        **params)