Welcome to the Community Forum, I'm sorry to hear that your landline stops working when the weather gets hot. Checking into this for you, I can see that you have previously raised this issue with us. I apologise that this is still an ongoing issue.
I will need to take further details from you in order to arrange an appointment for one of our engineers to check this for you.
I'll send you a private message requesting further details so that I can arrange an appointment for you. Just check the envelope icon at the top right of this page.
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