Explaining Sahih Muslim Book 4 - Hadith 6-10

Chapter 3: Description Of The Adhan.

Abu Mahdhura said that the Messenger of Allah (ﷺ) taught him Adhan like this:

Allah is the Greatest, Allah is the Greatest; I testify that there is no god but Allah, I testify that there is no god but Allah; I testify that Muhammad Is the Messenger of Allah, I testify that Muhammad is the Messenger of Allah, and it should be again repeated: I testify that there is no god but Allah, I testify that there is no god but Allah; I testify that Muhammad Is the Messenger of Allah, I testify that Muhammad is the Messenger of Allah. Come to the prayer (twice). Come to success (twice). Ishaq added: Allah is the Greatest, Allah is the Greatest; there is no god but Allah. (Explaining Sahih Muslim Book 4 - Hadith 6)

Chapter 4: It Is Recommended To Have Two Mu'adhdhin In A Single Masjid.

Ibn Umar reported:

The Messenger of Allah (ﷺ) had two Mu'adhdhins, Bilal and 'Abdullah b. Umm Maktum, who (latter) was blind. (Explaining Sahih Muslim Book 4 - Hadith 7)

This hadith has been narrated on the authority of 'A'isha by another chain of transmitters. (Explaining Sahih Muslim Book 4 - Hadith 8)

Chapter 5: It Is Permissible for A Blind Man To Call The Adhan So long As There Is A Man With Him Who Sees

A'isha reported:

Ibn Umm Maktum used to pronounce Adhan at the behest of the Messenger of Allah (ﷺ) (despite the fact) that he was blind. (Explaining Sahih Muslim Book 4 - Hadith 9)

A hadith like this has been transmitted by Hisham. (Explaining Sahih Muslim Book 4 - Hadith 10)

Explaining Sahih Muslim Book 4 - Hadith 1-5 - SOLTLANE