"Messenger of Allah ordered me to call the Adhan for the Fajr prayer. I called the Adhan, then Bilal wanted to call the lqamah. Messenger of Allah said: 'Indeed the brother from Suda' has called the Adhan, and whoever calls the Adhan he calls the Iqamah.'"  

أَمَرَنِي رَسُولُ اللَّهِ ﷺ أَنْ أُؤَذِّنَ فِي صَلاَةِ الْفَجْرِ فَأَذَّنْتُ فَأَرَادَ بِلاَلٌ أَنْ يُقِيمَ فَقَالَ رَسُولُ اللَّهِ ﷺ إِنَّ أَخَا صُدَاءٍ قَدْ أَذَّنَ وَمَنْ أَذَّنَ فَهُوَ يُقِيمُ قَالَ وَفِي الْبَابِ عَنِ ابْنِ عُمَرَ