[Kamailio-Users] Prefix with variable?

[Elena-Ramona Modroiu]

Hi,

Robin Vleij wrote:
> Hi!
>
> I'm running into a little problem using the prefix() function. According
> to the docs I can only use strings as prefixes and this works fine
> everywhere in our config.
>
> Now I'm trying to do something like this:
>
> prefix($avp(s:t_prefix));
>
> Customer should be able to choose their own prefixes for certain types
> of traffic. We get a custom prefix in from the PSTN gateways, where we
> want to then replace that "internal" prefix (strip(4)) with a
> configurable prefix. Why can't we use variables in the prefix function?
>
> I could try to use $ru = $avp(s:t_prefix) + $original_ru or something,
> but on a short try-run this didn't seem as easy as that.
>   
prefix() function takes only static string as parameter. The equivalent 
with variables is:

$rU = $avp(s:t_prefix) + $rU;

Regards,
Ramona
> Any ideas or anyone doing something like this?
>
> /robin
>
>   
--
Elena-Ramona Modroiu
http://www.asipto.com
http://www.rosdev.ro