باب رَفْعِ الصَّوْتِ بِالنِّدَاءِ
'Umar bin 'Abdul 'Aziz said (to his Mu'adh-dhin i.e., call-maker), "Pronounce the Adhan clearly and in a straightforward manner, otherwise we will dismiss you."
وَقَالَ عُمَرُ بْنُ عَبْدِ الْعَزِيزِ أَذِّنْ أَذَانًا سَمْحًا وَإِلاَّ فَاعْتَزِلْنَا.