Hadith 8:2415
Abu Bakr narrated to us, he said: Ibn Idris narrated to us, from Hizam ibn Hisham, from his father, that Umar used to recite the Talbiyah upon al-Safa and al-Marwah. He would raise his voice, and his voice would be recognized at night, while his face would not be seen.
حدثنا أبو بكر قال حدثنا بن إدريس عن حزام بن هشام عن أبيه أن عمر كان يلبي على الصفا والمروة ويشتد صوته ويعرف صوته بالليل ولا يرى وجهه