While i am usually pretty good with the nortel systems (well until they discontinued them 
), i am not so familiar with the SIP end... i mostly have dealt with a digital PRI into them.
My wonder, is if those are calls at all? or are they something else just testing that port.. but being picked up as calls obviously by the system?
DIfferent modem, or even bridge mode, i dont think will MUCH help in this scenario.. if its something directed at your IP and that port specifically.
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Re: SIP Spam filtering
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