Sunan an-Nasa'i 630
سنن النسائي#630Sahihأَخْبَرَنَا سُوَيْدُ بْنُ نَصْرٍ، قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ، عَنْ هَمَّامِ بْنِ يَحْيَى، عَنْ عَامِرِ بْنِ عَبْدِ الْوَاحِدِ، حَدَّثَنَا مَكْحُولٌ، عَنْ عَبْدِ اللَّهِ بْنِ مُحَيْرِيزٍ، عَنْ أَبِي مَحْذُورَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " الأَذَانُ تِسْعُ عَشْرَةَ كَلِمَةً وَالإِقَامَةُ سَبْعُ عَشْرَةَ كَلِمَةً " . ثُمَّ عَدَّهَا أَبُو مَحْذُورَةَ تِسْعَ عَشْرَةَ كَلِمَةً وَسَبْعَ عَشْرَةَ .
It was narrated from Abu Mahdhurah that the Messenger of Allah (S.A.W) taught him the Adhan with nineteen phrases and the Iqamah with seventeen phrases, then Abu Mahdhurah counted them as nineteen and seventeen
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 7:5