Hi Steve,
Thank you for reaching out to us in our community and welcome, I am sorry to hear your phone isn't working since you received a new router, was everything Ok before this, has the phone always been plugged into the wall and not the router?
I have tried to have a look our end however haven't been able to find your account with the details we have for you.
I would be happy to look further into this to make sure the account hasn't been changed to being connected to the router instead of the wall socket.
I will send you a chat request, please click on the purple envelope to accept.
Regards
Paul.