public function isSpeaking($id)
    {
        $ssrc = @$this->speakingStatus[$id];
        $user = $this->speakingStatus->get('user_id', $id);

        if (is_null($ssrc) && ! is_null($user)) {
            return $user->speaking;
        } elseif (is_null($user) && ! is_null($ssrc)) {
            return $user->speaking;
        } elseif (is_null($user) && is_null($ssrc)) {
            return $user->speaking;
        } else {
            return false;
        }
    }