When I asked God’s Messenger to teach me the sunna relating to the adhan he wiped the forepart of his head and said: You must say, “God is most great. God is most great. God is most great. God is most great,” raising your voice while saying these words. Then you must say, “I testify that there is no god but God. I testify that there is no god but God. I testify that Muhammad is God’s Messenger. I testify that Muhammad is God’s Messenger,” lowering your voice while saying these words. Then you must raise your voice in making the testimony, “I testify that there is no god but God. I testify that there is no god but God. I testify that Muhammad is God’s Messenger. I testify that Muhammad is God’s Messenger. Come to prayer. Come to prayer. Come to salvation. Come to salvation”; and if it is the Morning Prayer you must say, “Prayer is better than sleep. Prayer is better than sleep. God’s is most great. God is most great. There is no god but God.”
Jabir stated that God’s Messenger said to Bilal, “When you call the adhan speak deliberately, when you utter the iqama speak quickly, and leave between your adhan and your iqama time for one who eats to finish his food and one who drinks to finish his drink, and one who needs to relieve himself to do so. And do not get up to pray* till you see me do so.”
* This sentence is addressed not only to Bilal, as the plural is used.
Tirmidhi transmitted it and said, “I know it only from the tradition of ‘Abd al-Mun‘im, and it is an unknown isnad”