Beyond the final dua, there are specific sunnah (recommended) actions to perform while the Adhan is being called:
اللَّهُمَّ رَبَّ هَذِهِ الدَّعْوَةِ التَّامَّةِ، وَالصَّلَاةِ الْقَائِمَةِ، آتِ مُحَمَّدًا الْوَسِيلَةَ وَالْفَضِيلَةَ، وَابْعَثْهُ مَقَامًا مَحْمُودًا الَّذِي وَعَدْتَهُ، [إِنَّكَ لَا تُخْلِفُ الْمِيعَادَ] Transliteration Ezan Duasi
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 Beyond the final dua, there are specific sunnah
"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 Beyond the final dua
: Before reciting the Ezan Duası, it is recommended to send blessings (Salawat) upon the Prophet Muhammad.