Yes, lookup() will populate the attributes of each branch in your "attr_avp", and you can access them through $T_branch_idx within branch_route. [1]

[1]: http://www.opensips.org/html/docs/modules/2.3.x/registrar.html#id293909

Liviu Chircu
OpenSIPS Developer
http://www.opensips-solutions.com

On 31.10.2016 16:08, Rodrigo Pimenta Carvalho wrote:


Hi.


In my project with OpenSIPS, I have the following kind of code in the configuration:


modparam("registrar", "attr_avp", "$avp(attr)")

.

.

.

if register request come from machine M1 {

$avp(attr) = "User in M1"; //this mean that the user is behind a NAT, from the point of view OpenSIPS.

}

if register request come from machine M2 {

$avp(attr) = "User in M2";

}

...

else{

$avp(attr) = "User in Mx"; //this mean that there is no NAT.

}




In my opensips.cfg file I need read "$(avp(attr)[$T_branch_idx])" in the "branch_route[per_branch_ops]" .


Does $(avp(attr)[$T_branch_idx]) will give me the correct value, even if the callee is always online in several machines (M1, M2...etc) ?


So, can I discover which machine is participating in the dialog?


Best regards.


RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200 RAMAL 979


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