Sahih Muslim Book 7, Hadith Number 2934.

Chapter : The pilgrim should continue to pronounce Talbiya until the stoning of Jamrat al-‘Aqaba on the day of sacrifice (10th of Dhu’l-Hajja).

‘Abdullah narrated to us as we had gathered (at Muzdalifa): I have heard from one upon whom Surah al-Baqara was revealed (the Holy Prophet) pronouncing Talbiya at this place.