Ibn 'Umar (Allah be pleased with them) reported that the Messenger of Allah (ﷺ) pronounced Talbiya in Dhu'l-Hulaifa as he put his feet in the stirrup and his camel stood up and proceeded.
Sahih Muslim Book 15, Hadith 30
← Previous Hadith I remained in the company of 'Abdullah b. 'Umar b. al-Khattab (Allah be pleased with them) its twelve Hajjs and 'Umras and I said to him: I saw four characteristics (peculiar in you), and the rest of the hadith is the same except the case of Talbiya. There he offered the narration given by al-Maqburi and he stated the facts excepting the one given above.

Sahih Muslim Book 15, Hadith 29 Next Hadith → Ibn 'Umar (Allah be pleased with them) reported that the Messenger of Allah (ﷺ) pronounced Talbiya as his camel stood up.

Sahih Muslim Book 15, Hadith 31