[asterisk-users] Asterisk calls between 2 private networks

Justin Killen jkillen at allamericanasphalt.com
Thu Feb 7 11:54:38 CST 2013


I don't see how that would really solve anything - instead of the server sending the 192.168.x.x packets onto the local network, it will send them up toward the internet and get black-holed.  What probably makes more sense would be to switch the subnet on one of the networks, AND put up a vpn between them, adding the routes for the private networks to cross thru the tunnels.

Justin Killen
-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Frank
Sent: Thursday, February 07, 2013 9:49 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Cc: Eric Wieling
Subject: Re: [asterisk-users] Asterisk calls between 2 private networks

I thought about that.
I will give it a shot tonight and will post back my results in here.
Thanks

On 2/7/13 12:39 PM, Eric Wieling wrote:
> The easiest thing to is renumber one of the networks so they are not using the same address block.
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Frank
> Sent: Thursday, February 07, 2013 12:27 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] Asterisk calls between 2 private networks
>
> AJS,
>
> That is a solution that I am envisaging.
> But I would really love to try to work out with my issue first. It will allow me to deploy more phones in separates buildlings in the future. If I do the IAX solution, it means that for every building, I need a box..
> Which I would like to prevent.
>
>
>
> On 2/7/13 10:46 AM, A J Stiles wrote:
>> On Thursday 07 February 2013, Frank wrote:
>>> My apologies if this topic was already discussed in the past.
>>>
>>> Here is my scenario:
>>> Network A - 192.168.1.0
>>> 1 Asterisk
>>> 1 Digium phone
>>> Router does NAT from the public IP to asterisk, and forward ports
>>> 5060tcp/udp and 10k-20k udp
>>>
>>> Network B - 192.168.1.0
>>> 1 Digium phone, registering to the public IP of network A
>>>
>>>
>>> My SIP.CONF has:
>>> nat=yes
>>> localnet=192.168.1.0/255.255.255.0
>>> externaddr=public_ip_of_network_a
>>> directmedia=no
>>
>> My  (lazy)  solution to this problem was to throw hardware at it .....
>>
>> Bearing in mind that Asterisk will run on just about any old scrapper
>> (or even a Raspberry Pi, if you feel so inclined),  there's little
>> point even trying to send SIP over the Internet.  Just have an
>> Asterisk box at each end, and then you only need a much simpler-to-configure IAX trunk between the two.
>> The routers at each end then just need one port -- UDP 4569 --
>> forwarded to the Asterisk box  (if it isn't configured as the default DMZ machine).
>>
>>
>
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