(14) باب كَمْ بَيْنَ الأَذَانِ وَالإِقَامَةِ وَمَنْ يَنْتَظِرُ الإِقَامَةَ
Narrated `Abdullah bin Mughaffal Al-Muzani:
Allah's Messenger (ﷺ) said thrice, "There is a prayer between the two Adhans (Adhan and Iqama)," and added, "For the one who wants to pray."
Reference: Sahih al-Bukhari 624
In-book reference: Book 10, Hadith 21
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 11, Hadith 597