It was narrated that Ibn 'Abbas said:"The Messenger of Allah said: 'Whoever calls the Adhan for seven years, seeking reward (from Allah), Allah will decree for him deliverance from the Fire
Hadith No. 727
Sunan Ibn Majah
Gradings:
Al-Albani:
Daif
Muhammad Fouad Abd al-Baqi:
Daif
Shuaib Al Arnaut:
Daif
Zubair Ali Zai:
Daif