Commencement of Adhan, Iqamah, and the Excellence of Reading them

3. Ali ibn Ibrahim has narrated from Muhammad ibn ‘Isa ibn ‘Ubayd from Yunus from Aban ibn ‘Uthman from ’Isma‘il al-Ju’fiy who has said the following: “I once heard abu Ja‘far عليه السلام, say, ‘Adhan and ‘Iqamah consist of thirty-five letters.’ He (the Imam) counted them by his hand one by one; Adhan eighteen letters and ‘Iqamah seventeen letters.”