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
SahihSahihSahih Muslim (606)Book 2 · Hadith 147
سنن أبي داود
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