[SR-Users] Kamailio IF Routes

Alex Balashov abalashov at evaristesys.com
Mon Sep 21 02:33:46 CEST 2020


It is indeed possible, as a basic operation of the Kamailio config 
script language:


This kind of thing is usually done using a database lookup rather than 
something hard-coded--unless the amount of decision points is trivially 
small, as in your example.

-- Alex

On 9/20/20 8:31 PM, conradcordeiro at gmail.com wrote:
> Hello,
> Is it possible to set up Kamailio 5.4.1 to use IF to determine how calls 
> are proxied depending on the source of the request?
> For example, *_if_* calls originate from /pstn.us1.twilio.com/ then 
> _/$du = "sip01.example.com:5060"/_, wheres _*if*_ calls originate from 
> /pstn.us2.twilio.com/ then _/$du = "sip01.example.com:5060"/_.
> Additionally, would this also be possible based on numbers? For example, 
> _*if*_ calls are to number +1-800-777-8888 then /$du = 
> "sip01.example.com:5060"/, or if calls are to number +1-800-777-9999 
> then /$du = "sip02.example.com:5060"/.
> To be clear, I don't expect both examples above to work in the same 
> Kamailio instance but IF and AND clauses are possible, such as _*if*_ 
> calls are to number +1-800-777-8888  AND from /pstn.us1.twilio.com/ then 
> _/$du = "sip01.example.com:5060"/_, it'd be great to test this too.
> I'm not sure if I'm allowed to ask such specific questions on this 
> mailing list and I hope I'm not asking too much.
> Many thanks,
> Conrad
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Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/

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