SIP attacks

I am sick of the huge number of attempted connections, via SIP, to all 
of our supposed numbers in the server. I do not use the PABX functions 
nor do we use SIP in the standard sense of the word (SIP clients 
chatting to each other).

What are the ramifications of disabling the listening ports for SIP on 
my CGP server?

CGP 6.1.9
Windows 2012 (64bit)

We do have Apple devices and I notice the server sends SIP packets to 
these devices for things like reminders (I presume).

-- 

Shaun
Fitzroy Island <http://www.fitzroyisland.com>
Destination Darwin NT <http://www.destinationnt.com>
MOM Backpackers <http://www.momdarwin.com>
Value Inn Hotel <http://www.valueinn.com.au>
Please do not send any unsolicited email. It is not wanted.


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