It was narrated from 'Abdullah bin 'Abdur-Rahman bin Abu Sa'sa'ah that:
His father who was under the care of Abu Sa'eed said: "Abu Sa'eed said to me: 'If you are in the desert, raise your voice when you say the Adhan, for I heard the Messenger of Allah say: 'No jinn, human, tree or rock will hear it, but it will bear witness for you.'"
Reported by Ibn Majah (No. 723) and Ahmad (No. 10607).
‘Abdullāh ibn ‘Abdur-Rahmān ibn Abi Sa‘sa‘ah reported: Abu Sa‘īd al-Khudri (may Allah be pleased with him) said to me: "I see that you like sheep and wilderness. So whenever you are with your sheep - or in the wilderness - and you want to call the Adhān, raise your voice, for whoever hears the…
"إني أراك تحب الغنم والبادية فإذا كنت في غنمك- أو باديتك- فأذنت للصلاة، فارفع صوتك بالنداء، فإنه لا يسمع مدى صوت المؤذن جن، ولا إنس، ولا شيء، إلا شهد له يوم القيامة"