Volume 1, Book 11, Number 606:
Narrated ‘Aun bin Abi Juhaifa:
My father said, “I saw Allah’s Apostle at a place called Al-Abtah. Bilal came and informed him
about the prayer and then came out with an Anza and planted it in front of Allah’s Apostle at Al-Ab –
tah and pronounced the Iqama.”