[OpenSIPS-Users] SIP Registrations with many PBX's

Bogdan-Andrei Iancu bogdan at opensips.org
Fri Oct 13 09:36:56 EDT 2017

Hi Jonathan,

Yes, you can have OpenSIPS configured to simply forward the REGISTER 
requests to some destinations you decide via scripting.

Also, you may take a look at the mid_registrar module 
(http://www.opensips.org/html/docs/modules/2.3.x/mid_registrar.html) - 
this may help you reduce the registration load on the PBX side.


Bogdan-Andrei Iancu
   OpenSIPS Founder and Developer

On 09/14/2017 11:12 PM, Jonathan Mabrito wrote:
> This is more of a concept, can OpenSIPS do it question and maybe how 
> if so.
> I am trying to wrap my head around how OpenSIPS does SIP 
> Registrations. Currently, every time when a new PBX environment 
> provisions on our infrastructure, I programmatically query a database 
> to find out what numbers are free, allocated one, and then I use 
> Dynamic Routing to programmatically insert a route via from that 
> chosen newly chosen number to the new PBX environment.
> I am trying to bring the same concept with SIP Registrations, so our 
> users can register phones to the environment. So what I am wondering, 
> can OpenSIPS be a register proxy between the internet and the internal 
> PBX? I do not need to register directly against OpenSIPS, just more 
> accept the register request, make a routing decision based on its SIP 
> URI, and forward that registration to the proper environment where 
> that PBX will handle the registration? I am trying to avoid a long 
> static script and hoping this can be accomplished in the ways Dynamic 
> Routing can handle INVITES.
> Any thoughts, ideas, suggestions?
> -- 
> -Jonathan
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