[SR-Users] SIP URI Evaluation and Forwarding

[Daniel-Constantin Mierla]

Hello,

putting such conditions in the config file is possible, but if you have
more than those listed user ids, probably is better to keep them in a
database.

Anyhow, for doing the conditions in the config file, you can use the
variable $rU (r-uri username) and $rd (r-uri domain) as well as $fU
(From uri username) and $fd (From-uri domain) to compare with the values
you want.

You can look at the core cookbook to understand the structure of the
config file:

  * https://www.kamailio.org/wiki/cookbooks/devel/core

And the list of variables is available at:

  * https://www.kamailio.org/wiki/cookbooks/devel/pseudovariables

The default config file is also a good start point to play with Kamailio
to get its basics.

Cheers,
Daniel

On 05.07.19 19:37, Ronald Hartmann wrote:
>
> Good Day List,
>
>
> I am very new to Kamailio and trying to understand at 10,000 feet how
> it may be able to be used. I was wondering if the following Scenario
> would be possible and if so what modules would accomplish this
> aspect.  (Any URLs for further reading would be appreciated)
>
>
> Scenario:
>
>
> Given 
>
>
> 1) SoftPhones will register as follows
>
>     sip uri, user at subdomain.myvoipserver.com
>     <mailto:user at subdomain.myvoipserver.com> 
>
> 2) The following users are authorized to connect (this would be stored
> in a config file etc):
>
>     1001,1003,1007 are valid users for apples.myvoipserver.com
>     <http://apples.myvoipserver.com/>
>
>     1001,2213,5817 are valid users for oranges.myvoipserver.com
>     <http://oranges.myvoipserver.com/>
>
>
> Is it possible for Kamailio to perform the following evaluation and
> then take the appropriate steps:
>
>
> If [domain is apples.myvoipserver.com
> <http://apples.myvoipserver.com/> AND user portion is 1001]
>
> then
>
> Forward/Proxy the SIP/RTP packets to
>
> Asterisk server responsible for registration and audio for the
> domain apples.myvoipserver.com <http://apples.myvoipserver.com/>
>
>  
>
> Else if [domain is oranges.myvoipserver.com
> <http://oranges.myvoipserver.com/> AND user portion is 2213]
>
> then
>
> Forward/Proxy the SIP/RTP packets to
>
> Asterisk server responsible for registration and audio for the
> domain oranges.myvoipserver.com <http://oranges.myvoipserver.com/>
>
> Else
>
> Silently Drop packets etc.
>
>  
>
> given the above evaluation rules, a user who tries to register as 
>
>
> 1001 at apples.myvoipserver.com <mailto:1001 at apples.myvoipserver.com> 
>
>     would be granted access and their SIP Packets and subsequent RTP
>     would be forwarded to the asterisk server at
>     apples.myvoipserver.com <http://apples.myvoipserver.com>, where
>     said server would take care of the Registration, and any
>     subsequent calls, subscriptions, Options etc.
>
>
> 1004@ apples.myvoipserver.com <http://apples.myvoipserver.com>
>
>     Would not match the authorized list for apples.myvoipserver.com
>     <http://apples.myvoipserver.com> (1001,1003,1007), therefore this
>     registration attempt would be silently dropped
>
>
> 2213 at apples.myvoipserver.com <mailto:2213 at apples.myvoipserver.com> 
>
>     would be granted access and their SIP Packets and subsequent RTP
>     would be forwarded to the asterisk server at
>     oranges.myvoipserver.com <http://oranges.myvoipserver.com>, where
>     said server would take care of the Registration, and any
>     subsequent calls, subscriptions, Options etc.
>
>
>  Thanks for any information to assist me in understanding how this
> would work.
>
>
> ~ron
>
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda

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