It was narrated that Bilal said:"The Messenger of Allah commanded me (with Tathwib) in the Adhan for Fajr, and he forbade me to do so in the Adhan for 'Isha
Hadith No. 715
Sunan Ibn Majah
Gradings:
Al-Albani:
Daif
Muhammad Fouad Abd al-Baqi:
Daif
Shuaib Al Arnaut:
Daif
Zubair Ali Zai:
Daif