Abu Hurairah said: "None should call (for the prayer except for one with Wudu."
Jami` at-Tirmidhi Book 2, Hadith 53
← Previous Hadith Allah's Messenger said: "None should call the Adhan except for one with Wudu."

Jami` at-Tirmidhi Book 2, Hadith 52 Next Hadith → The Mu'adh-dhin of Allah's Messenger would wait and he would not call the Iqamah until he saw the Allah's Messenger had come out, he would call the Iqamah when he saw him."

Jami` at-Tirmidhi Book 2, Hadith 54