[OpenSIPS-Users] Dynamic Routing - routing using source IPaddress

[Bogdan-Andrei Iancu]

Hi Julien,

Julien Chavanton wrote:
> Thank you, I will look further after using group, I am also facig some 
> requirements to append prefix, when a call comes in from a defined 
> Gateway.
> Here is a recap, of what I understand after reading testing Dynamic 
> Routing :
>  
> When a call is comming from a given Gateway we can not use Dynamic 
> Routing to append/strip prefixes, DR module only work on destination 
> Gateway.
well, you can do it, but only if the source is also a GW defined in DR 
module. See the is_from_gw() function:
          
http://www.opensips.org/html/docs/modules/1.6.x/drouting.html#id272680

Regards,
Bogdan



>  
> Therefore I selected to use Dial Plan for append/strip prefix on 
> inbound calls.
>  
>  
> Outbound number manipulation prefix append/strip : module (Dynamic 
> Routing)
> --------------------------------------------------------------------------------
> "STRIP" : striped from the RURI when the call is going to the target 
> gateway
> "PRI Prefix" : assigned to the RURI when the call is going to the 
> target gateway
>  
>  
> Inbound number manipulation prefix append/strip : module (Dial Plan)
> ----------------------------------------------------------------------
> Prefix : a lookup in the dialplan table for the source IP address will 
> return a prefix to append if any
>  
> Example:
>  # find if there is a prefix for traffic from the IP address
>  dp_translate("0", "$src_ip/$avp(s:prefix)");
>  if($avp(s:prefix) && method=="INVITE" && !has_totag()){
>   xlog("prefix for IP[$src_ip]=[$avp(s:prefix)]\n");
>   $rU  =  $avp(s:prefix) + $rU ;
>  }
>  else{
>   xlog("no prefix for IP[$src_ip]\n");
>  }
>  
>
> ------------------------------------------------------------------------
> *From:* users-bounces at lists.opensips.org on behalf of Brett Nemeroff
> *Sent:* Thu 10/09/2009 4:18 PM
> *To:* OpenSIPS users mailling list
> *Subject:* Re: [OpenSIPS-Users] Dynamic Routing - routing using source 
> IPaddress
>
> Usually you set the group based on something else. I use memcache for 
> this.. so I toss the IP against memcache, which returns a group id, 
> then I use that in the do_routing() cmd. 
>
> Of course, this requires pre-populating the cache src_ip => group_id
>
> The newly released startup_route can do that for you now. :D
>
> -Brett
>
>
> On Thu, Sep 10, 2009 at 8:00 AM, Julien Chavanton <jc at atlastelecom.com 
> <mailto:jc at atlastelecom.com>> wrote:
>
>     With Dynamic Routing, how can we route based on source IP
>     address/Gateway ?
>
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