Anas reported God’s Messenger as saying, “A supplication made between the <i>adhan</i> and the <i>iqama</i> is not rejected.” Abu Dawud and Tirmidhi transmitted it.

وَعَنْ أَنَسٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَا يُرَدُّ الدُّعَاءُ بَيْنَ الْأَذَان وَالْإِقَامَة» . رَوَاهُ أَبُو دَاوُد وَالتِّرْمِذِيّ