CHAPTER: PERMISSIBILITY OF GIVING PERMISSION (TO ENTER THE HOUSE) BY RAISING THE CURTAIN OR MAKING SOME OTHER SIGNS LIKE IT
No. 5393
Ibn Mas'ud reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said to me: The sign that you have been permitted to come in is that the curtain is raised or that you hear me speaking quietly until I forbid you.
No. 5394
This hadith has been narrated on the authority of 'Ubaidullah with the same chain of transmitters.