Hi there @ShaunyG, welcome to our forum and thanks for your post.
I'm sorry to see that you are having issues with your house phone not working. Have you been able to check our service page here to see if this is due to any known issues?
When you spoke to the team about this, what did they advise in regards to what was causing this issue?
Please let me know and I will be happy to assist further.
Regards
Nathan