You should hang up and then report details of the call to the Office of the Inspector General. You can do this by submitting a report online.
Another question on  toll - free. Is it possible to call the TTY number on a weekend?
No the TTY number is only available between 7 a.m. and 7 p.m. Monday through Friday.
Alright, I'll follow your advice. So I want to know what retirement benefits I am entitled to? Can you provide information regarding this?