Imam Muhammad bin Ali narrates from his father the statement of Sayyiduna Ali (may Allah be pleased with him): Jibreel (peace be upon him) descended with the words of Iqamah separately; the Noble Prophet (peace and blessings be upon him) prescribed reciting the words twice in the Adhan as Sunnah.

Sayyiduna Abu Rafi’ (may Allah be pleased with him) narrates: I saw the Prophet (peace and blessings of Allah be upon him) and I heard Sayyiduna Bilal (may Allah be pleased with him) giving the adhan in front of the Prophet (peace and blessings of Allah be upon him). He would say the words (of the adhan) twice each, while he would say the words of the iqamah once each.

Muhammad bin Abdullah narrates: My father (Sayyiduna Abdullah bin Zaid, may Allah be pleased with him) narrated this noble hadith to me: When the Prophet Muhammad (peace and blessings be upon him) ordered for a bell (naqus) to be used for prayer, I saw in a dream a person who came to me and taught me this matter. He mentioned the words of the adhan twice and the words of the iqamah once. At the time of the morning prayer, I presented myself before the Prophet Muhammad (peace and blessings be upon him) and related this dream. He (peace and blessings be upon him) said: "If Allah wills, this dream will prove true. Stand with Bilal and teach him what you have seen, for his voice is louder than yours." When Sayyiduna Umar (may Allah be pleased with him) heard this, he said: "By the One Who has sent you with the truth, I too saw a dream just like he saw." So the Prophet Muhammad (peace and blessings be upon him) said: "Then all praise is due to Allah (Who has granted us this guidance)."

Sayyiduna Abdullah bin Zaid (may Allah be pleased with him) narrates: In the blessed era of the Prophet Muhammad (peace be upon him), the words of the adhan and iqamah were even (paired). The narrators of this narration are Ibn Abi Layla and Qadi Muhammad bin Abdur Rahman, who were considered weak in the science of hadith because their memory was weak. Similarly, it is not established that Ibn Abi Layla heard hadith from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both).

Abdur Rahman bin Abi Laila narrates: Sayyiduna Mu'adh bin Jabal (may Allah be pleased with him) reported this: An Ansari man, Abdullah bin Zaid (may Allah be pleased with him), came to the Prophet (peace and blessings be upon him) and said, "O Messenger of Allah! I saw in a dream that a man descended from the sky, wearing two garments. He landed on a wall of Madinah. He recited the words of the adhan twice, then he sat down, then he stood up and recited those words twice each." The narrator named Abu Bakr bin Ayyash stated: This is just as the adhan is given nowadays. So the Prophet (peace and blessings be upon him) said, "Teach this to Bilal." Then Sayyiduna Umar (may Allah be pleased with him) said, "I also saw a dream similar to what he saw, but he preceded me in mentioning it."

Awn bin Abu Juhaifah narrates from his father: Sayyiduna Bilal (may Allah be pleased with him) called the adhan before the Prophet (peace and blessings be upon him), in which he said each phrase twice, and then he gave the iqamah in the same manner.

Awn bin Abu Juhaifah narrates from his father: Sayyiduna Bilal (may Allah be pleased with him) called the Adhan in the presence of the Prophet (peace and blessings be upon him), with each phrase repeated twice. The phrases of the Iqamah were also repeated twice. The narrator named Abu Awn has reported these words: The phrases of the Adhan were each repeated twice, and the Iqamah was likewise.

Ibrahim Nakha'i narrates from Aswad: Sayyiduna Bilal (may Allah be pleased with him) used to recite the words of the adhan twice each, and the words of the iqamah twice each. He used to give the adhan with takbir, and he used to end it with takbir.

It is narrated about Sayyiduna Bilal (may Allah be pleased with him): His words of adhan and iqamah were recited twice each.

This narration is also transmitted with another chain. Ramadi says: Sufyan did not hear it from him.