Hi kitreeve,
A warm welcome and thanks for posting on our community forums. Please can we ask you to remove any personal details from this public space. We want yo keep you and your details safe.
If you have only just had the switchover take place, this can take a couple of days to change over fully. If you currently have a dial tone on your old master socket, you can still use this for the time being. You will know when the changeover has taken place as this line will no longer work.
At this point you will then need to transfer your landline over to the hub and use the TEL1 port.
If you have any issues, please come back to us so we can assist you further.
Kind regards Jodi.