Chapter: The prohibition of leaving the masjid once the Mu’adhdhin has called the Adhan
Abu Sha'tha' al-Muharibi reported on the authority of his father, who said: I heard it from Abu Huraira that he saw a person getting out of the mosque after the call to prayer had been announced. Upon this he remarked: This (man) disobeyed Abu'l-Qasim ( صلی اللہ علیہ وسلم ).
Authentic