My daughter has set up her new code and transferred the number from her old number from her previous network via PAC code. However, she is currently unable to complete to make or receive calls from her new phone. If she makes a call it rings out but the recipient's phone does not ring, and if someone calls her, their phone rings out but here phone doesn't ring. She also cannot send or receive SMS messages. Completely at a loss how to fix it. Phone is an iPhone 15.Any suggestions appreciated.

That would be something to do with the settings on the iPhone most likely as it thinks you are trying to use 2 lines. If she is only using iD as her service now I suggest if the old SIM is physical you remove it from the phone and cut it up and dispose of it or if it is an eSIM you delete it from the phone (don’t delete the iD eSIM if you have one). This will avoid any conflict/confusion on the phone.

That's great, thanks very much for all your help.

Old phone number switch has not completed correctly

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