He is able to see the houseguest (like FaceTime) through the memory wall

He says he hasn’t slept on a bed yet.
He asks if Hisam has seen his room. He asks about the have not. He says he isn’t sure when he’ll see them again. (Feeds cut)
It comes back and the call is over.
Matt couldn’t hear the call (I hate BB) so they other houseguest show him where the speakers are for next time