Sunan Abi Dawud, Book 2, Hadith 512 (USC-MSA) ⓘ

Narrated Abdullah ibn Zayd: The Prophet intended to do many things for calling (the people) to prayer, but he did not do any of them. Then Abdullah ibn Zayd was taught in a dream how to pronounce the call to prayer. He came to the Prophet and informed him. He said: Teach it to Bilal. He then taught him, and Bilal made a call to prayer. Abdullah said: I saw it in a dream and I wished to pronounce it, but he (the Prophet) said: You should pronounce iqamah.

حَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا حَمَّادُ بْنُ خَالِدٍ، حَدَّثَنَا مُحَمَّدُ بْنُ عَمْرٍو، عَنْ مُحَمَّدِ بْنِ عَبْدِ اللَّهِ، عَنْ عَمِّهِ عَبْدِ اللَّهِ بْنِ زَيْدٍ، قَالَ أَرَادَ النَّبِيُّ صلى الله عليه وسلم فِي الأَذَانِ أَشْيَاءَ لَمْ يَصْنَعْ مِنْهَا شَيْئًا قَالَ فَأُرِيَ عَبْدُ اللَّهِ بْنُ زَيْدٍ الأَذَانَ فِي الْمَنَامِ فَأَتَى النَّبِيَّ صلى الله عليه وسلم فَأَخْبَرَهُ فَقَالَ ‏"‏ أَلْقِهِ عَلَى بِلاَلٍ ‏"‏ ‏.‏ فَأَلْقَاهُ عَلَيْهِ فَأَذَّنَ بِلاَلٌ فَقَالَ عَبْدُ اللَّهِ أَنَا رَأَيْتُهُ وَأَنَا كُنْتُ أُرِيدُهُ قَالَ ‏"‏ فَأَقِمْ أَنْتَ ‏"‏ ‏.‏