Turnip Head

Me: Good afternoon, the Centre for Amazing Turnips.
Caller: Hello?! Who's that?
Me: This is the Centre for Amazing Turnips.
Caller: And what do you want?
Me: ...
Me: This is the Centre for Amazing Turnips, can I help you?
Caller: Why did you call me? Who are you?
Me: Ehm, this is the switch at the Centre for Amazing Turnips, I believe you called me.
Caller: NO! I was holding my mobile, and then you were on it!
Me: ...
Me: There must be a crossed line or something so. Thank you.