Narrated `Abdur-Rahman bin `Abdullah bin `Abdur-Rahman bin Abi Sasaa Ansari: That Abu Sa`id Al-Khudri said to his father. I see you are fond of sheep and the desert, so when you want to pronounce the Adhan, raise your voice with it for whoever will hear the Adhan whether a human being, or a Jinn, or anything else, will bear witness, in favor on the Day of Resurrection. Abu Sa`id added, I have heard this from Allah's Apostle .