Possible Split Port

Pretty sure I've got a case of bad / split port. Dashboard still shows the number for the SIM I was sent. Transfer has been delayed but dashboard still shows yesterday's date for completion. My old provider says porting complete, but I can only make calls and not receive them (other than from those on the SMARTY network) on any number (temporary or my current / original). Interestingly when I check my phone, it has my current number and if I make a call, it shows with the correct (current) number.

I've not had a text or email saying porting has been completed and after raising a query via the chat, the front line support can only say its 'been escalated' and to wait a further 24-48hours (which will now presumably after the weekend as I guess 'that' team doesn't work over the weekends).

Starting to feel like I've made a mistake joining SMARTY as the front line (chat) support team seem very limited in what they can help with.