code: public Gather getGather(final String gatherId) throws Exception {
          final String gatherPath = StringUtils.join(new String[]{
                  getUri(),
                  "gather",
                  gatherId
          }, '/');
          final JSONObject jsonObject = toJSONObject(client.get(gatherPath, null));
          return new Gather(client,jsonObject);
      }
docs: Gets the gather DTMF parameters and results.
  
  @param gatherId gather id
  @return gather DTMF parameters and results
  @throws IOException unexpected error.