It was narrated from Abu Mahdhurah that the Messenger of Allah ﷺ taught him the Adhan with nineteen phrases and the Iqamah with seventeen phrases, then Abu Mahdhurah counted them as nineteen and seventeen.  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ الأَذَانُ تِسْعُ عَشْرَةَ كَلِمَةً وَالإِقَامَةُ سَبْعُ عَشْرَةَ كَلِمَةً ثُمَّ عَدَّهَا أَبُو مَحْذُورَةَ تِسْعَ عَشْرَةَ كَلِمَةً وَسَبْعَ عَشْرَةَ