Narrator:Abdullāh ibn ‘Umar
وعن ابن عمر رضي الله عنهما قال: كان لرسول الله صلى الله عليه وسلم مؤذنان: بلال وابن أم مكتوم. فقال رسول الله صلى الله عليه وسلم
" إن بلالا يؤذن بليل فكلوا واشربوا حتى يؤذن ابن أم مكتوم"
Ibn 'Umar (May Allah be pleased with them) reported:
The Messenger of Allah (ﷺ) had two Mu'adhdhin: Bilal and Ibn Umm Maktum (May Allah be pleased with them). The Messenger of Allah (ﷺ) said, "Bilal proclaims Adhan [call to Salat (prayer)] at fag end of night, so eat and drink till Ibn Umm Maktum pronounces Adhan." Ibn 'Umar (May Allah be pleased with them) added: And the gap between their Adhan was not more than the time spent in one's getting down and the other's climbing (the minaret).
[Al-Bukhari and Muslim].
Reported by Al-Bukhari (No. 617, 620, 2656, 7248), Muslim (No. 1092a, 1092b, 1092c), At-Tirmidhi (No. 203), An-Nasa’i (No. 637, 638), Malik (No. 161), Ahmad (No. 4323, 4948, 5033, 5064, 5167, 5241, 5588, 5777) and Ad-Darimi (No. 1164, 1165). Cited in Riyad as-Salihin (No. 1231).