[cisco-voip] Register Phone to CCM via SIP over the Internet?

[Wes Sisk]

There's been a pretty continuous flow of PSIRTs about the SIP stack.  
Opening SIP to the internet may not be the best idea.

/Wes

Weigand, John V. wrote:
>
> 	
>
> Litigation Management
>
> 	
>
> Serious Medicine for the Defense ® 
> <http://www.medicineforthedefense.com/>
>
> 	
>
> 	
>
> Pretty simply question: is there any way/has anyone ever tried to 
> register a standard Cisco phone over the internet to CallManager 
> through SIP?
>
>  
>
> Basically we have one external user we’d like to get using a hardware 
> phone, without needing to upgrade CallManager (we’re on 6.1), run it 
> over a VPN or get one of the new phones with the built-in VPN client.
>
>  
>
> Maybe my google-fu is weak, but I’m not finding any results about 
> doing this…
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>  
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> Thanks in advance!
>
>  
>
>
>
> 	*John V. Weigand*
> IT Project Manager I
>
> Litigation Management, Inc.
> 6000 Parkland Boulevard
> Mayfield Heights, OH 44124
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> Tel: 440-484-2000
> Fax: 440-484-2009
> Cell:
> email: jvw at medicineforthedefense.com 
> <mailto:jvw at medicineforthedefense.com>
>
>
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