25 Apr
2023
25 Apr
'23
4:22 p.m.
Appreciate your response Henning..
Thanks Alex, I agree to what you said and it will be done that way based on
the Request URI and not the To Header.
Regards,
Harneet Singh
On Tue, Apr 25, 2023 at 5:34 PM Alex Balashov <abalashov(a)evaristesys.com>
wrote:
Harneet,
More philosophically, it should be added that routing determinations based
on the dialed number should never be done based on the To header, but only
the Request URI.
— Alex
--
"Once you eliminate the impossible, whatever remains, no matter how
improbable, must be the truth" - Sir Arthur Conan Doyle
On Apr 25, 2023, at 1:39 AM, Henning Westerholt
<hw(a)gilawa.com> wrote:
Hello,
you could just query any supported database e.g. with the sqlops
module. The
dialplan module might be also interesting, or htable if you
prefer to have it in-memory (it also supports reading and caching from a
DB).
Cheers,
Henning
From: harneet singh <hbilling(a)gmail.com>
Sent: Montag, 24. April 2023 12:16
To: Henning Westerholt <hw(a)gilawa.com>
Cc: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: Re: [SR-Users] Configuring dynamic Destination identification
for
Kamailio Routing
Thanks for the response Henning. I was wondering
if we needed to do the
routing based on the following logic:
* Based on the From and To Header, select the
next hop.The mappings for
these fields will be prefed in a db or some configuration
file and that can
be read at Kamailio startup.
Is such an option readily available in any of
the existing modules?
Regards,
Harneet Singh
On Thu, Apr 20, 2023 at 9:49 PM Henning Westerholt <hw(a)gilawa.com>
wrote:
Hello,
usually this kind of routing is done by using the dispatcher module. If
you need
to match on a certain key of the SIP message, there are other
possibilities, like the lcr module for example. It supports regular
expression match from a database, that can be reloaded without Kamailio
restart.
Cheers,
Henning
From: harneet singh <hbilling(a)gmail.com>
Sent: Donnerstag, 20. April 2023 14:48
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: [SR-Users] Configuring dynamic Destination identification for
Kamailio
Routing
Hi Experts,
We have been using Kamailio as a sip proxy for a fair bit of time
now(version
5.3.2 though) and do understand the native routing mechanism
that can be instrumented through the kamailio cfg scripts.
We initially had only two sides, where the
traffic could come from into
Kamailio and it just passed through to the other
side(ie Traffic from A was
routed to B and that from B was routed to A). Off late, a few more sip
elements have been introduced in the deployment and now there is a need for
a more formal/robust mechanism to select the intended destination to
forward an initial SIP INVITE to.
I believe that we could still keep all the logic
in the native kamailio
script and do the routing(for example, an incoming call
where the From URI
contains sip.elementA.com should be routed to destinationsip.elementB.com,
where as if the To URI contains sip.elementC.com, the request should be
routed tosip.elementC.com). Since we have many sip elements like
A,B.C,D,E etc where the requests might have to be routed to, based on
certain different criteria, this logic would become cumbersome. What would
be the best way to accommodate this? Would it be possible to rewire this
routing logic at runtime(like in some csv file that can be reloaded)
without a Kamailio restart?
Regards,
Harneet Singh
--
"Once you eliminate the impossible, whatever remains, no matter how
improbable, must be the truth" - Sir Arthur Conan Doyle
-- "Once you eliminate the impossible, whatever remains, no matter how
improbable, must be the truth" - Sir Arthur Conan Doyle
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--
Alex Balashov
Principal Consultant
Evariste Systems LLC
Web: https://evaristesys.com
Tel: +1-706-510-6800
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