Hadith 8

Sahih Muslim

Book 4: The Book of Prayers

Chapter 4

It Is Recommended To Have Two Mu'adhdhin In A Single Masjid

باب اسْتِحْبَابِ اتِّخَاذِ مُؤَذِّنَيْنِ لِلْمَسْجِدِ الْوَاحِدِ ‏‏

Sahih Muslim 380b
وَحَدَّثَنَا ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا عُبَيْدُ اللَّهِ، حَدَّثَنَا الْقَاسِمُ، عَنْ عَائِشَةَ، مِثْلَهُ ‏.‏
This hadith has been narrated on the authority of 'A'isha by another chain of transmitters.