Sunan an-Nasa'i 1394
سنن النسائي#1394SahihIt was narrated that As-Sa'ib bin Yazid said:"Bilal used to call the Adhan when the Messenger of Allah (ﷺ) sat on the Minbar on Friday, and when he came down he would say the Iqamah. It continued like that during the time of Abu Bakr and 'Umar, may Allah (SWT) be pleased with them
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 14:31