public function deleteRecordings($params)
 {
     $this->params = http_build_query($params);
     $this->sum = sha1('deleteRecordings' . $this->params . $this->salt);
     $this->url = $this->server . self::$delete_recordings . $this->params . '&checksum=' . $this->sum;
     return parent::response($this->url);
 }
 public function endMeeting($params)
 {
     $this->construct = http_build_query($params);
     $this->sum = sha1('end' . $this->construct . $this->salt);
     $this->url = $this->server . self::$end_meeting . $this->construct . '&checksum=' . $this->sum;
     return parent::response($this->url);
 }
 public function isMeetingRunning($params)
 {
     $this->params = http_build_query($params);
     $this->sum = sha1("isMeetingRunning" . $this->params . $this->salt);
     $this->url = $this->server . self::$meeting_running . $this->params . "&checksum=" . $this->sum;
     return parent::response($this->url);
 }