Musnad Ahmad 337:11

Muhammad ibn Bakr narrated to us, he said: Ibn Jurayj informed us, and Rawh said: Ibn Jurayj narrated to us, he said: Abdullah ibn Abi Bakr ibn Muhammad ibn Amr ibn Hazm wrote to me, saying: Abd al-Malik ibn Abi Bakr ibn al-Harith narrated to me, that Khallad ibn al-Sa’ib ibn Khallad ibn Suwayd al-Ansari narrated to him, from his father, al-Sa’ib ibn Khallad, that he heard the Messenger of Allah, peace and blessings of Allah be upon him, saying: "Gabriel, peace be upon him, came to me and said: 'Indeed, Allah commands you to command your companions to raise their voices with the Talbiyah and the Ihlal.'" And Rawh said: "With the Talbiyah or the Ihlal." He said: "And I do not know which of us was mistaken—whether it was I, or Abdullah, or Khallad—regarding the Ihlal or the Talbiyah."