Sahih al-Bukhari Call to Prayers (Adhaan) Isa bin Talha bin 'Ubaidullah عيسى بن طلحة بن عبيد الله Sahih 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 Messenger (ﷺ).)” https://parallelquran.com/hadith/sahih-al-bukhari-598/