It is narrated from Sayyiduna Kathir bin Murrah al-Hadrami (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "The first being who gave the adhan in the heaven was Jibril (peace be upon him)." Then Sayyiduna Umar and Sayyiduna Bilal (may Allah be pleased with them both) heard this adhan. So Sayyiduna Umar (may Allah be pleased with him) came and informed the Prophet (peace and blessings be upon him) about what he had heard; then Sayyiduna Bilal (may Allah be pleased with him) came and he too informed the Prophet (peace and blessings be upon him) about what he had heard. the Messenger of Allah (peace and blessings be upon him) said to Sayyiduna Bilal (may Allah be pleased with him): "O Bilal, Umar has got ahead of you; now give the adhan just as you heard it."
The narrator said: Then the Prophet (peace and blessings be upon him) ordered him to put his two fingers in his ears, so that by this act he would be helped in raising his voice more.
Hadith Referenceالمطالب العالية بزوائد المسانيد الثمانية / كتاب الصلاة / 226
Hadith Gradingمحدثین:إسناده ضعيف
Hadith Takhrij«حکم الحدیث المطالب العالیہ محققاً تنسیق د. سعد بن ناصر بن عبد العزيز الشَّثري- مکتبہ شاملہ : إسناده ضعيف سند واه ، شرح الزرقاني على الموطأ: (1 / 259) » «انفرد به المصنف من هذا الطريق»