Company being War Dialed

["Fred Kreitzberg" <paranoid_with_cause () mail com>]

The war dialing started last night and has continued throught the day.  They are being very noisy, staying on the line 
with a steady beep, beep, beep long enough to leave a voice message.  The calling has occcured on two different 
prefixes so I am concerned my company is being targeted.

Our local service provider's security and fraud team has not been able to identify a single source of the calls.

We have recently done our own War-dail and feel we know all our modems are secured correctly.

Any thoughts on additional steps I should be taking?

thanks
Phred
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