[SR-Users] Rewrite From domain

[Daniel-Constantin Mierla]

Hello,

as alternative to assigning to $fd, you can use uac_replace_from()
exported by uac module.

The best place to do updates to headers for outgoing traffic is in a
branch_route block.

Cheers,
Daniel


On 13/12/2016 12:05, Gonzalo Gasca Meza wrote:
>
> Hi all,
>
> I'm using Kamailio to forward calls between 2 Service Providers and I
> need to rewrite the From header "domain" URI.
>
> Example:
>
> From: "+18888888888" <sip:+18888888888 at sip.sp1.com
> <mailto:sip%3A%2B18888888888 at sip.sp1.com>> to
>
> From: "+18888888888" <sip:+18888888888@*sip.sp2.com
> <http://sip.sp2.com>*> 
>
> *Call flow:*
>
> Phone A --- > SP1 ---> sip ----> (kamailio) SP2 --(LOCATION)-> Phone B
>
> When Phone A calls SP2 PhoneB, it contains original sip domain from
> sp1. (sip.sp1.com <http://sip.sp1.com>) hence user in SP2 can see call
> comes from SP1. I would like to rewrite the From domain field in this
> conditions:
>
> a) Calls comes from "sip.sp1.com <http://sip.sp1.com>" AND
>
> b) Call is being routed to PhoneB. 
>
> Right now Im using the following code to find user and send call to B.
>
> #!ifdef WITH_ALIASDB
>
>         # search in DB-based aliases
>
>         xlog("L_INFO","alias_db_lookup: Call received. $rU\n"); 
>
>         if(alias_db_lookup("dbaliases")) {
>
>                 route(SIPOUT);
>
>         }
>
> #!endif
>
>
> I found this in documentation:
>
>
>       $fd - From URI domain
>
> if($hdr(From)=~"sip.sp1\.com") {
>  ...
> }
>
> But not sure where is the best place to overwrite the From URI domain
> header.
>
> Thanks
>
>
>
> _______________________________________________
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> sr-users at lists.sip-router.org
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-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com

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