[Serusers] Efficient config and routing of 100's of prefix's

Jai Rangi jprangi at gmail.com
Fri Jun 29 20:16:16 CEST 2007


You can also use LCR module.

-Jai Rangi


On 6/29/07, Alfred E. Heggestad <aeh at db.org> wrote:
>
> Hi Shaun
>
> Shaun Hofer wrote:
> > Hi,
> >
> > To terminate a call to the PSTN, my SER box has to route between
> > multiple PSTN gateways depending on the destination phone number/prefix.
> >
> > For instance,
> > -Use gateway1 if the destination begins with any of these prefixes:
> >     07550[0-4] 075509 07551[0-2] 075514 075515[7-8] 0755187
> >     0755337 07553[7-9] 075551[0-1] 07555[2-8] 07556[0-4] etc..
> >
> > -Use gateway2 if the destination begins with any of these prefixes:
> >     0730[0-2] 07303[0-6] 0731[0-2] 073131 07313[5-9] 073140
> >     07314[4-6] 0731[6-7] 0732[1-7] 07329[1-2] 07329[5-6] etc..
> >
> > -Use gateway3 if etc...
> > -Use gatewayX if etc...
> >
> > Obviously, one or a small number of regular expressions can't
> efficiently
> > cover all of these prefixes. However, doing it like this isn't ideal
> > because ser.cfg would be huge and cumbersome. Also, the prefixes for
> each
> > gateway may change over time:
> >
> > if ( (uri =~ "^sip:07550[0-4]") || (uri =~ "^sip:075509") || ... )
> >     { route to gateway1 }
> > if ( (uri =~ "^sip:0730[0-2]") || (uri =~ "^sip:07303[0-6]") || ... )
> >     { route to gateway2 }
> > if ( ... )
> >     { route to gatewayX }
> >
> > What's the most efficient way of doing this with SER?
> >
>
> you might want to try the "prefix_route" module which can be downloaded
> from here:
>
>    http://aeh.db.org/patch/
>
> it does exactly what you want, moving this logic from ser.cfg to the
> database. it does not do regex though, but you can include all digits
> in the table for e.g. 07550[0-4]:
>
>    075500 -> route 1
>    075501 -> route 1
>    075502 -> route 1
>    075503 -> route 1
>    075504 -> route 1
>
> etc.
>
>
> /alfred
>
> > Thanks in advanced
> > -Shaun
> >
> > _______________________________________________
> > Serusers mailing list
> > Serusers at lists.iptel.org
> > http://lists.iptel.org/mailman/listinfo/serusers
>
>
> _______________________________________________
> Serusers mailing list
> Serusers at lists.iptel.org
> http://lists.iptel.org/mailman/listinfo/serusers
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20070629/a96a80fd/attachment.htm>


More information about the sr-users mailing list