Sunan Abi Dawud 537
سنن أبي داود#537Sahihحَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا شَبَابَةُ، عَنْ إِسْرَائِيلَ، عَنْ سِمَاكٍ، عَنْ جَابِرِ بْنِ سَمُرَةَ، قَالَ كَانَ بِلاَلٌ يُؤَذِّنُ ثُمَّ يُمْهِلُ فَإِذَا رَأَى النَّبِيَّ صلى الله عليه وسلم قَدْ خَرَجَ أَقَامَ الصَّلاَةَ .
Jabir b. Samurah said:Bilal would call the Adhan, then he used come to wait. When he would see that the prophet (ﷺ) had come out (of his house), he would pronounce the iqama
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Muslim (606)
In-book reference: 2:147