Unable to join worlds Me and my friend are unable to join each others world whenever we try to play online. I am on Minecraft Pe and my friend joins from his Ps5 Minecraft

Me and my friend are unable to join each others world whenever we try to play online. I am on Minecraft Pe and my friend joins from his Ps5 Minecraft . This is really disappointing considering we have just newly purchased Minecraft which was expensive. Please solve this issue really need help