وعن عبد الله بن مغفل
رضي الله عنه، قال: قال رسول الله صلى الله عليه وسلم: «بين كل أذانين صلاة، بين كل أذانين صلاة، بين كل أذانين صلاة«وقال في الثالثة: «لمن شاء»
The Messenger of Allah (sallallahu alayhi wa sallam) said, “There is a Salat (prayer) between every Adhan and Iqamah; there is a Salat between every Adhan and Iqamah.” (While saying the same for the) third time (he (sallallahu alayhi wa sallam) added), “It is for him who desires (to perform it).”.
Riyad as-Salihin 1099, Book 9, The Book of Virtues, Hadith 109. 1 min read