[asterisk-users] NAT solutions

[Bob Chiodini]

Bernardo Vieira wrote:
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>   
>> Bernardo,
>>
>> Just a thought:  Try using a different SIP port for one of the
>> extensions, if possible.
>>
>> Bob...
>>     
> Bob,
> Tanks for the tip. I had actually done that before, as a matte of fact
> that's the solution I have in place now. The thing is, even though it
> works it is not exactly the best solution as it forces some non-standard
> configuration on the clients. It's not my case, but imagine  the hassled
> it would impose in an ITSP environment.
>
> Bernardo
>   
Bernardo,

Yes. 

I have a home system running on Trixbox with an ITSP that provides two 
channels, but I can only register one of them as I cannot register twice 
on port 5060 with one IP address at each end.  Both DIDs work, I just 
cannot determine which one a call is coming in on.  The ITSP always 
reports the DID I registered last.  The other drawback is the inability 
off-load the media path.

Bob...