It wasnarrated from Khallad bin Sa'ib, from his father, that theMessenger of Allah (ﷺ) said:
"Jibra'il came to me and told metocommand my Companions to raise their voices when reciting theTalbiyah." (FR)
English reference (FR): Vol. 4, Book 25, Hadith 2922 (FR)
Arabic reference (FR): Book 25, Hadith 3034 (FR)