Disyariatkannya adzan: bilal diperintahkan untuk mengumandangkan kalimat adzan dengan genap dan mengganjilkan iqamat

Imam Nasa'i : 623

أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ قَالَ حَدَّثَنَا عَبْدُ الْوَهَّابِ عَنْ أَيُّوبَ عَنْ أَبِي قِلَابَةَ عَنْ أَنَسٍ قَالَإِنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَمَرَ بِلَالًا أَنْ يَشْفَعَ الْأَذَانَ وَأَنْ يُوتِرَ الْإِقَامَةَ

Narrated to us [Qutaibah bin Sa'id] he said :Narrated to us ['Abdul Wahhab] from [Ayyub] from [Abu Qilabah] from [Anas] he said : Rasulullah Sallallahu'alaihi wasallam once ordered Bilal to fulfill the call to prayer and disrupt the iqamah."