code: public List<ConferenceMember> getMembers() throws Exception {
          final String membersPath = StringUtils.join(new String[]{
                  getUri(),
                  "members"
          }, '/');
          final JSONArray array = toJSONArray(client.get(membersPath, null));
  
          final List<ConferenceMember> members = new ArrayList<ConferenceMember>();
          for (final Object obj : array) {
              members.add(new ConferenceMember(client, (JSONObject) obj));
          }
          return members;
      }
docs: Gets list all members from a conference. If a member had already hung up or removed from conference it will be displayed as completed.
  
  @return list of members
  @throws IOException unexpected error.