"I was with the Messenger of Allah on a journey, and he commanded me to call the Adhan. Bilal wanted to call the Iqamah, but the Messenger of Allah said: 'The brother of Suda' called the Adhan, and the one who calls the Adhan is the one who calls the Iqamah.'"

The Messenger of Allah said: "Whoever says, when he hears the Mu'adh-dhin, 'Wa ana Ash-hadu an la ilaha illallah wahdahu la sharika lahu, wa ash-hadu anna Muhammadan 'abduhu wa rasuluhu, radaytu Billahi rabban wa bil-islami dinan wa bi muhammadin nabiyyan (And I bear witness that none has the right to be worshipped but Allah alone, with no partner, and I bear witness that Muhammad is His slave and Messenger, and I am content with Allah as my Lord, Islam as my religion and Muhammad as my Prophet),' his sins will be forgiven to him."

The Messenger of Allah said: "Whoever calls the Adhan for twelve years, he will be guaranteed Paradise, and for each day sixty Hasanat (good deeds) will be recorded for him by virtue of his Adhan, and thirty Hasanat by virtue of his Iqamah."

The Prophet consulted the people as to how he could call them to the prayer. They suggested a horn, but he disliked that because of the Jews (because the Jews used a horn). Then they suggested a bell but he disliked that because of the Christians (because the Christians used a bell). Then that night the call to the prayer was shown in a dream to a man among the Ansar whose name was 'Abdullah bin Zaid, and to 'Umar bin Khattab. The Ansari man came to the Messenger of Allah at night, and the Messenger of Allah commanded Bilal to give the call to the prayer. (Da'if)Zuhri said: "Bilal added the phrase "As-salatu khairum minan-nawm (the prayer is better than sleep)" to the call for the morning prayer, and the Messenger of Allah approved of that." 'Umar said: "O Messenger of Allah, I saw the same as he did, but he beat me to it."

"I came to the Messenger of Allah in Abtah, when he was in a red tent. Bilal came out and gave the call to prayer, turning around and putting his fingers in his ears."

"The Messenger of Allah said: 'When you hear the call (to prayer), say what the Mu'adh-dhin says.'"

"I heard the Messenger of Allah himself say: 'The Mu'adh-dhin's sins will be forgiven as far as his voice reaches, and every wet and dry thing will pray for forgiveness for him. For the one who attends the prayer, twenty-five Hasanat (good deeds) will be recorded, and it is will be expiation (for sins committed) between them (the two prayers).'"

"I saw Bilal calling the Adhan in fron of Allah's Messenger, (saying the phrases) two by two, and saying each phrase once in the Iqamah."

"We were sitting in the mosque with Abu Hurairah when the Mu'adh-dhin called the Adhan. A man got up and walked out of the mosque, and Abu Hurairah followed him with his gaze until he left the mosque. Then Abu Hurairah said: "This man has disobeyed Abul-Qasim.'"

"The Messenger of Allah said: 'Whoever hears the Adhan when he is in the mosque, then goes out and does not go out for any (legitimate) need and does not intend to return, is a hypocrite.'"