Connection issues with invites: SF4

Sorry if this has already been brought up. I searched but didn’t quite find what I was looking for.

I have no issues connecting to ranked or player matches (I use the Arcade Request function for those), but if I invite anyone from my friends list, or I’m invited by them, I can’t connect. So are there specific issues with routers concerning this? Do I need to open specific ports on the router to accept invites? Seems odd that it would let me connect to random ranked and player matches if it’s a port issue, but I’m new to xbox and have no idea how it’s configured.

Any tips would be appreciated.

Funny thing is I’ve had the same problem for a while and then I closed all my ports and now its fine .-.

hope this helps, just choose your router and itll help you configure it for xbox live.