Sahih Bukhari — Hadith 612
Sahih
Sahih Bukhari : 612
Narrated `Isa bin Talha:
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 ".
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 Messenger (ﷺ).)"
Hadrat Ishaq, Wahb bin Jareer, Hisham have reported from Yahya similar to it.