PS5 remote play not working on Vodafone ultra hub 7 router outside home network

I'm struggling to get remote play working on new Vodafone ultra hub 7. I've tried forwarding all relevant ports, enabled upnp, disabled firewall still remote play not working.

Ps portal, pxplay, asobi none is able to connect remotely to PS5. No issues when I'm on my home wifi but outside home network it doesn't work.

Wondering if someone else is facing the same issues. Any fix?