[Machine] The Prophet of Allah ﷺ said, "When you give the call to prayer (Adhan), put your finger in your ears, as it is the most elevated position for your voice."
أَنَّ رَسُولَ اللهِ ﷺ قَالَ «إِذَا أَذَّنْتَ فَاجْعَلْ إِصْبَعَكَ فِي أُذُنَيْكَ فَإِنَّهُ أَرْفَعُ لِصَوْتِكَ»