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suyuti:645-7bal-Swad b. Yazīd > Saʾalt
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السيوطي:٦٤٥-٧b

"عَنِ الأسْوَدِ بْنِ يَزِيدَ قَالَ: سَأَلْتَ أَبَا مَحْذُوَرةَ كَيْفَ كُنْتَ تُؤَذِّنِ لِرَسُولِ الله ﷺ وَأَىُّ شَئٍ كُنْتَ تَجْعَلُ آخِرَ آذَانِكَ، قَالَ: كنتُ أُثنِّى الإِقَامَةَ كمِثْلِ الأذَانِ، وَأَجْعَلُ الأذَانَ (*) لَا إِلَهَ إِلَّا الله".  

أبو الشيخ

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Collected by Ṭabarānī
tabarani:6740Yaḥyá b. ʿAbd al-Bāqī al-Miṣṣīṣī > Muḥammad b. Sulaymān Lūwayn > Muḥammad b. Jābir > Abū Isḥāq > al-Aswad

[Machine] I asked Abu Mahdhurah, "How did you give the adhan for the Prophet, ﷺ ? What did you say at the end of your adhan?" He said, "I would say, 'I testify that there is no god but Allah' at the end of my adhan."  

الطبراني:٦٧٤٠حَدَّثَنَا يَحْيَى بْنُ عَبْدِ الْبَاقِي الْمِصِّيصِيُّ ثنا مُحَمَّدُ بْنُ سُلَيْمَانَ لُوَيْنٌ ثنا مُحَمَّدُ بْنُ جَابِرٍ عَنْ أَبِي إِسْحَاقَ عَنِ الْأَسْوَدِ قَالَ

سَأَلْتُ أَبَا مَحْذُورَةَ كَيْفَ كُنْتَ تُؤَذِّنُ لِلنَّبِيِّ ﷺ؟ أَيُّ شَيْءٍ كُنْتَ تَجْعَلُ آخِرَ أَذَانِكَ؟ قَالَ كُنْتُ «أُثَنِّي الْأَذَانَ وَأُثَنِّي الْإِقَامَةَ وَأَجْعَلُ آخِرَ أذَانِي لَا إِلَهَ إِلَّا اللهُ»