: Repeat each phrase as the Mu'azzin (caller) says it.
The (Adhan Supplication) is a powerful prayer recited by Muslims immediately following the call to prayer (Adhan). According to Sahih al-Bukhari, the Prophet Muhammad (peace be upon him) promised his intercession on the Day of Judgment for whoever recites this dua after hearing the Adhan. Arabic Text Ezan Duasi
"O Allah, Lord of this perfect call and established prayer. Grant Muhammad the intercession and favor, and raise him to the honored station (Al-Maqam al-Mahmud) You have promised him, [verily You do not neglect Your promise]". Etiquette of the Adhan : Repeat each phrase as the Mu'azzin (caller) says it
Beyond the final dua, there are specific sunnah (recommended) actions to perform while the Adhan is being called: Arabic Text "O Allah, Lord of this perfect
اللَّهُمَّ رَبَّ هَذِهِ الدَّعْوَةِ التَّامَّةِ، وَالصَّلَاةِ الْقَائِمَةِ، آتِ مُحَمَّدًا الْوَسِيلَةَ وَالْفَضِيلَةَ، وَابْعَثْهُ مَقَامًا مَحْمُودًا الَّذِي وَعَدْتَهُ، [إِنَّكَ لَا تُخْلِفُ الْمِيعَادَ] Transliteration
Allahumma Rabba hadhihid-da‘watit-tammah, was-salatil-qa’imah, ati Muhammadanil-wasilata wal-fadhilah, wab‘athhu maqamam-mahmudanil-ladhi wa‘adtah, [innaka la tukhliful-mi‘ad] . Translation