Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) said: We went with the Prophet (peace and blessings be upon him) from Mina to Arafat; some of us were saying the talbiyah and some were saying the takbir.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9443