[SR-Users] 30X redirect in interconnects - better alternative?

[Alex Balashov]

It is my experience that origination providers do not follow redirects; 
it is seen as a policy rather than a technical problem.

Custom header injected by Kamailio is a good way to go for conserving 
originating network info (e.g. IP and port).

On 7/7/20 1:39 PM, Gerry | Rigatta.com wrote:
> Hi,
> 
> I would like to use Kamailio for load balancing incoming carrier traffic. We do currently IP authentication and call logic in Yate boxes. Ideally I would like to distribute calls with 30X redirects with the Kamailio dispatcher so that IP authentication and all logic can stay in the Yate boxes.
> 
> However I have doubts that 30X redirects are generally accepted in interconnects. What is your experience with this?
> 
> What is the possible alternative to redirects if one wants to keep IP authentication and call logic in the boxes behind the Kamailio SIP router? E.g. how can one reliably check the carrier source IPs behind Kamailio? Custom headers injected by Kamailio?
> 
> Of cause I can check source IPs with a database lookup in Kamailio but I try to avoid that as this makes the setup much more complicated and error prone.
> 
> Thank you for your ideas.
> 
> Gerry
> 
> 
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Alex Balashov | Principal | Evariste Systems LLC

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