[SR-Users] Kamailio as a front end?

[Tom Johnson]

I am looking for something that would act as front end to various SIP PBX systems. I am using Asterisk, but compatibility with others might be necessary. What I want to do is pass subscribe requests with certain content types to an external program (written in Java) and the rest onto the SIP PBX. Can Kamailio do this and if so, is there some example config files somewhere that I can look at to get started?

Tom Johnson<mailto:tjohnson-***@public.gmane.org> | Senior Software Engineer
O: 703-543-2118 | F: 703-543-2099
5870 Trinity Parkway, Suite 600, Centreville, VA 20120
[cid:image001.png-***@public.gmane.org]<http://www.microautomation.com/>

[Daniel-Constantin Mierla]

Hello,

yes, kamailio can be used as frontend and should be no problem
implementing what you need.

As a remark, if you forward REGISTER requests, you should use PATH (see
path module) in case you need that requests pass through kamailio. This
requires that the registrar supports PATH extension as well. For dialog
requests, you should use record_route().

A starting point could be the example from dispatcher module is quite
close to what you need, see:
- http://kamailio.org/docs/modules/stable/modules/dispatcher.html#idp1885888

You would need to decide how to select the dispatcher group (set) id for
routing. That could be done using mtree if you select the next hop based
on a number (e.g., dialed number). If it is alpha-numeric based
selection, maybe htable or dialplan are good options.

Cheers,
Daniel

Post by Tom Johnson
I am looking for something that would act as front end to various SIP
PBX systems. I am using Asterisk, but compatibility with others
might be necessary. What I want to do is pass subscribe requests with
certain content types to an external program (written in Java) and the
rest onto the SIP PBX. Can Kamailio do this and if so, is there some
example config files somewhere that I can look at to get started?
Engineer
O: 703-543-2118 | F: 703-543-2099
5870 Trinity Parkway, Suite 600, Centreville, VA 20120
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