(6) باب إِفْرَادِ الإِقَامَةِ
It was narrated that Anas said:
"Bilal was commanded to say the phrases of the Adhan twice and the phrases of the Iqamah once." (TR)
Reference (TR): Sunan Ibn Majah 730 (TR)
In-book reference (TR): Book 3, Hadith 25 (TR)
English translation (TR): Vol. 1, Book 3, Hadith 730 (TR)