فَإِذَا بَلَغَ إِلَى الصَّلَاةِ وَالْفَلَاحِ حَوَّلَ وَجْهَهُ يَمِينًا وَشِمَالًا
Translation: When he reaches “hayya ‘ala al-salah” and “hayya ‘ala al-falah,” he turns his face to the right and left.
The familiar practice is to turn the face right at “hayya ‘ala al-salah” and left at “hayya ‘ala al-falah.”
The turning concerns the face, not rotating the whole body away from the qiblah. Jurists also discuss the exact application during iqamah.