Welcome to our Community and thanks so much for your first thread post. I was sorry to understand that you had some issues with your landline last week. I have managed to locate your account and can see that you were impacted by a known area issues - this was logged on your account for you.
How are things looking since your post? I have checked your line today and all is looking to be top top from here and we have no known area issues.
If you're still having issues, please do try another handset if you can and pop back and let us know and we can go from there.