Welcome back to our Community, so sorry that you're having issues with your landline this morning. I have located your account from your forum information and can see that you are currently impacted by a known area issue.
This was raised earlier this morning and may be impacting your TV and broadband services also. The estimated fix time is 11.25am this morning.
I can see from the account notes that you can sign up for updates on this issue via your online account - please feel free to keep us posted with how things are looking at your end; if you need any updates from here, pop back and we can check your account again for you.