How can Naruto talk to the tailed beasts? How could Naruto talk to the tailed beasts while fighting Tobi? Was it because he was friends with Kurama now? If yes, then how could he talk to 4 tails? Because at that time he hadn't befriended Kurama..
All jinchuriki have a inner sanctum and it's like telepathy. When the tailed beast acknowledge Naruto as an ally and kind hearted person the share their chakra with him