[SR-Users] set_advertised_address

[Sergiu Pojoga]

For whatever reason my initial impression was if it was possible for
external devices to connect without port forwarding...

I stand corrected.


On Wed, Dec 5, 2018 at 11:30 AM Daniel-Constantin Mierla <miconda at gmail.com>
wrote:

> It is not about an external network interface, but external
> traffic/devices. The NAT in this case is a port forwarding firewall, like
> Amazon or Google cloud, where you have a local address on server and the
> firewall is forwarding by port all traffic from an assigned public address.
>
> Such scenario is quite common in enterprise environment, the devices on
> local network connect by private IP, and the external devices connect to
> the firewall ip and this one does port forwarding.
>
> Cheers,
> Daniel
> On 05.12.18 16:56, Sergiu Pojoga wrote:
>
> Slightly confused here... didn't he say that Kamailio and PBX are behind
> NAT? If so, what external interface are we talking about?
>
> On Wed, Dec 5, 2018 at 9:18 AM Daniel-Constantin Mierla <miconda at gmail.com>
> wrote:
>
>> Hello,
>>
>> you do not need a second kamailio, the same instance can listen on
>> multiple sockets. You can also use a single ip, just listen on one port
>> for traffic from local network and on another port for external traffic
>> (this socket with advertise address).
>>
>> If the router cannot handle dns query based on local traffic, most
>> devices support so called outbound proxy address, you can set that to
>> the sip server address with ip.
>>
>> Cheers,
>> Daniel
>>
>> On 05.12.18 13:02, Kjeld Flarup wrote:
>> > That might work, provided that the router can handle a local DNS.
>> >
>> > It would, however still require adding an extra Kamailio instance with
>> > another IP. Plus a branch of the invite to both local and public
>> > instance. Plus an extra location table.
>> >
>> > -------------------- Med Liberalistiske Hilsner ----------------------
>> >    Civilingeniør, Kjeld Flarup - Mit sind er mere åbent end min tegnebog
>> >    Sofienlundvej 6B, 7560 Hjerm, Tlf: 40 29 41 49
>> >    Den ikke akademiske hjemmeside for liberalismen -
>> www.liberalismen.dk
>> >
>> > On 12/5/18 12:11 PM, Daniel Tryba wrote:
>> >> On Wed, Dec 05, 2018 at 09:40:38AM +0100, Kjeld Flarup wrote:
>> >>> Yes, the Phones may be on either local LAN (Wifi) and Internet via
>> >>> mobile
>> >>> data.
>> >> How about use different local address, 1 with an advertise for external
>> >> clients, 1 without. Have local DNS resolv to the 1 ip without
>> advertise.
>> >>
>> >> _______________________________________________
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>> >
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>>
>> --
>> Daniel-Constantin Mierla -- www.asipto.com
>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio World Conference -- www.kamailioworld.com
>> Kamailio Advanced Training, Nov 12-14, 2018, in Berlin -- www.asipto.com
>>
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio World Conference -- www.kamailioworld.com
> Kamailio Advanced Training, Nov 12-14, 2018, in Berlin -- www.asipto.com
>
>
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