>> 2. As "NAT Traversal" and "Internet Calling" really are meant for 
>> different things, and there is no logical correlation, I propose to 
>> keep them as completely separate items/pages under "System",  "Nat 
>> Traversal" and "SBC Routes" namely.


> These two features can be viewed as providing similar services.  Both will 
> help you reach URIs that are outside of sipXecs's local private > >domain and 
> will manage the NAT traversal issues.  I'd like to propose a different 
> approach...  If we can position the internet calling and NAT > traversal 
> features as two competing technologies for achieving connectivity in a 
> network plagued with NATs then I think we can simplify things > quite a bit.  
> The GUI could simply be a pull-down menu with a simple label:  'NAT Traversal 
> provider' and the pull down menu has two choices: 1= >Built-in NAT Traversal; 
> 2= External SBC.  You pick one or the other but you cannot have both.  In 
> either case, you will be required to datafill >>the Intranet subnets and 
> Intranet domains on that page and will be used by whatever NAT traversal 
> provider you have selected.  

I like that. In fact, it is exactly what Paul and I concluded from a off-line 
discussion. We will make a dropdown list to ask user to choose one way or the 
other, but not both.

> Both features need an exhaustive list of subnets and domain that make up the 
> private network that sipXecs bathes in and that list is the same > for both 
> features.  Does it make sense to have two places in the GUI where that 
> information can be entered?  I think there's inherent complixity in this as 
> well.

With the dropdown list to make the selection, this problem no longer apply. You 
only need to enter the configuration for private network once.


Thanks
Huijun

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