وَيُكْرَهُ ... الْكَلَامُ فِي خِلَالِ الْأَذَانِ وَفِي الْإِقَامَةِ
Ordinary speech interrupting the Adhan or Iqamah is disliked. The call is an act with its own continuity and purpose, so unnecessary conversation should be left until it is complete.