Sahih al-Bukhari 612
Narrated 'Isa bin Talha:
that he had heard Muawiya repeating the words of Adhan up to "Wa ash-hadu Anna Muhammadan Rasulul-lah (and I testify that Muhammad is Allah's Apostle.)"
حَدَّثَنَا مُعَاذُ بْنُ فَضَالَةَ، قَالَ حَدَّثَنَا هِشَامٌ، عَنْ يَحْيَى، عَنْ مُحَمَّدِ بْنِ إِبْرَاهِيمَ بْنِ الْحَارِثِ، قَالَ حَدَّثَنِي عِيسَى بْنُ طَلْحَةَ، أَنَّهُ سَمِعَ مُعَاوِيَةَ، يَوْمًا فَقَالَ مِثْلَهُ إِلَى قَوْلِهِ
" وَأَشْهَدُ أَنَّ مُحَمَّدًا رَسُولُ اللَّهِ ".
Classification
Sahih (Authentic)
References
Sahih al-Bukhari 612
Sahih al-Bukhari Vol. 1, Book of Call to Prayer, Hadith 586