Thanks for the replies Daniel and Henning!

The problem with the listen address is that it can't be set at run time per call, for example, after reading the value from the DB.... And also it is way too dirty to use the set_advertised_address with a static string value....

Long story short, we have a weird telco setup which only allows the SIP trunk to terminate in their own network, which then puts my Kamailio behind a NAT box only for them. And because they are the biggest carrier in that country, we will have to workaround the issue.....

Kamailio itself has only one network interface to communicate with everyone (other provider and extensions), so I was trying to actually only set the advertise address before sending call to this specific telco. For calls to anyone else I would not set the advertise address. Looks simple, but seems not that easy to implement.....

Cheers,

Patrick Wakano

On Tue, 2 Oct 2018 at 15:39, Daniel-Constantin Mierla <miconda@gmail.com> wrote:

Hello,

the pseudo-variable is read only.

The recommended way would be to use listen with advertise, like:

listen=udp:1.2.3.4:5060 advertise 5.6.7.8:5060

That will take care of both Via and Record-Route headers as well as
matching myself, no need to do other stuff in route blocks. Doesn't work
for you?

Cheers,
Daniel

On 01.10.18 22:16, Henning Westerholt wrote:
> Am Freitag, 28. September 2018, 07:16:18 CEST schrieb Patrick Wakano:
>> Sorry to annoy again, but I did find a couple of more emails asking around
>> about the possibility to pass a variable to the set_advertised_address, but
>> no one was replied....
>> How is the status of these old core functions that don't accept variables
>> as parameters? Is it something being worked on?
> Hi Patrick,
>
> about the old core function - I think that indeed some of them are still
> missing PV support. Regarding your question, have you already tried to use
> this PV:
>
> https://www.kamailio.org/wiki/cookbooks/devel/pseudovariables#rai_-_received_advertised_ip_address
>
> Best regards,
>
> Henning
>

--
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
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Kamailio Advanced Training, Nov 12-14, 2018, in Berlin -- www.asipto.com

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