Narrated by Sa’d from Muhammad ibn al-Husayn from Ja’far ibn Bashir from Hammad ibn Uthman, who said:
I asked Abu Abdillah عليه السلام about a man, may he speak after he has given the iqamah for prayer? Imam عليه السلام said: "Yes."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 59