I was all excited and explained that it was for sale and we had other numbers for sale.
He sounds cross to me. So I listened to the message again as suggested. We start :-
"You have called the wrong number, this number is not actually in service. However, this message will continue as we are trying to catch out junk callers..."
That is 100% clear, and nobody should be at all fooled by that. Apparently someone from the BBC was. Sorry if it confused you - hope you listen more carefully in future.
More than happy to work with you guys on a story about the annoyance of illegal junk callers...