حَدَّثَنَا عِمْرَانُ بْنُ مَيْسَرَةَ حَدَّثَنَا عَبْدُ الْوَارِثِ حَدَّثَنَا خَالِدٌ عَنْ أَبِي قِلَابَةَ عَنْ أَنَسِ بْنِ مَالِکٍ قَالَ ذَکَرُوا النَّارَ وَالنَّاقُوسَ فَذَکَرُوا الْيَهُودَ وَالنَّصَارَی فَأُمِرَ بِلَالٌ أَنْ يَشْفَعَ الْأَذَانَ وَأَنْ يُوتِرَ الْإِقَامَةَ
صحیح بخاری · Hadith 603
Narrated Anas: The people mentioned the fire and the bell (they suggested those as signals to indicate the starting of prayers), and by that they mentioned the Jews and the Christians. Then Bilal was ordered to pronounce Adhan for the prayer by saying its wordings twice, and for the Iqama (the call for the actual standing for the prayers in rows) by saying its wordings once. (Iqama is pronounced when the people are ready for the prayer).
Sanad
603 - حَدَّثَنَا عِمْرَانُ بْنُ مَيْسَرَةَ، حَدَّثَنَا عَبْدُ الوَارِثِ، حَدَّثَنَا خَالِدٌ الحَذَّاءُ، عَنْ أَبِي قِلاَبَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ،