Reference: Fataawa al-Lajnah ad-Daa.imah – Question No.1 of Fatwa No.7926
al-Bid’u wal-Muhdathaat wa maa laa asla lahu – Page 190
Question: Is it confirmed from the life of the Messenger (sal-Allaahu ‘alayhi wa sallam) that he started the adhaan by reciting:
Response: This has not been confirmed in his (sal-Allaahu ‘alayhi wa sallam) life nor the era of any of the Khulafaa. ar-Raashideen (radhi-yAllaahu ‘anhum). Rather, it is an innovation and it is confirmed on his (sal-Allaahu ‘alayhi wa sallam) authority that he said:
And with Allaah lies all success and may Allaah send prayers and salutations upon our Prophet (sal-Allaahu ‘alayhi wa sallam) and his family and his companions.