My standard answer. "This is a restricted line. No incoming calls will be taken without prior arrangement."
My standard answer. "This is a restricted line. No incoming calls will be taken without prior arrangement."
When a call comes in with a blocked number I like to say:
"CIA. This line is secure ... tracing enabled. Go!"
For some reason they always hang up. ;-)
In San Diego (long ago) when calling any military installation it was always "Uninteligible ... non-secure line ... unintelligible ... sir? - Its where I got the idea ...