"Do not try to phone"

Excellent in all areas except, we had cause to phone tonight but there was no answer at all even after 2.5 hours of repeatedly calling even when we went through switchboard!!! I know they're busy but this is basic surely!!! Thank god god I don't have a relative as an in patient that I might not be able to get in and see or that I was calling about before I went to sleep!!! Surely an answer phone would be useful? Or an alternative numer if your urgent enquiry was a staff issue???