Call to Prayer (Adhan)

One repeats just as the mu-aththin (one who calls to prayer) says, except when he says: حَـيَّ عَلـى الصَّلاة (أَو) حَـيَّ عَلـى الْفَـلاح

come to prayer, come to success’ instead, one should say: لا حَـوْلَ وَلا قُـوَّةَ إِلاّ بِالله