Invocation
The Talbiya for the one doing Hajj or 'Umrah
لَبَّيْكَ اللَّهُمَّ لَبَّيْكَ، لَبَّيْكَ لاَ شَرِيكَ لَكَ لَبَّيْكَ، إِنَّ الْحَمْدَ والنِّعْمَة لَكَ والمُلْكُ، لَا شَرِيكَ لَكَ
I am here at Your service, O Allah, I am here at Your service. I am here at Your service, You have no partner, I am here at Your service. Surely the praise, and blessings are Yours, and the dominion. You have no partner.
Al-Bukhari, cf. Al-Asqalani, Fathul-Bari 3/408, Muslim 2/841.