Hello,

indeed there is a pseudo-variable that gives the environment variables. Moreover, iirc, Luis Azedo added a while ago (it may be only from 5.3) support to resolve variables inside substdef (and maybe define) -- so eventually you should be able to do this with 5.3.0:

#!substdef "/PUBLICIP/$env(KAMPUBLICIP)/"

 listen=udp:$(local_ip):5060 advertise  "PUBLICIP":5060

It might not work for this specific case, because listen value is a little bit complex definition, not just string values. But with 5.3 there is a command line parameter (-l -- lower case L) to specify listen socket with advertise address. So just remove listen from kamailio.cfg and the start kamailio like:

kamailio -l proto:localaddr:lcoalport/publicaddr:publicport

Like:

kamailio -l udp:10.0.0.1:5080/1.2.3.4:5060

See kamailio -h for more details.

Cheers,
Daniel

I've never used it but wiki says:

$env(NAME) - environment variables

$env(NAME) - value of the environment variable named NAME

So it should be possible.

Alex Balashov <abalashov@evaristesys.com> schrieb am Do., 24. Okt. 2019, 08:16:

It is not. But you can do this via any template system such as Jinja2, or a hand-rolled substitution script.

—

Sent from mobile, with due apologies for brevity and errors.

On Oct 24, 2019, at 2:02 AM, Gaurav Bmotra <saigauravmehra91@gmail.com> wrote:



hi 

i using kamailio 5.2 

is it possible to use environmental variables value in kamailio.cfg 
like i want to use local ip and public ip in config file 

 listen=udp:$(local_ip):5060 advertise  $(public_ip):5060

if iti is possible then how i can use this 

thank you 

--

Regards:
Gaurav Kumar

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