[SR-Users] Setting up uacreg

[Rob van den Bulk]

Pjsip support path

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________________________________
From: sr-users <sr-users-bounces at lists.kamailio.org> on behalf of Arsen Semenov <arsperger at gmail.com>
Sent: Wednesday, July 28, 2021 1:04:00 PM
To: Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
Subject: Re: [SR-Users] Setting up uacreg

You can check how Path works, it is described in rfc3327, this is probably what you need.
From the Asterisk side; however, I can't tell whether it is supported by pjsip, there was some issue as I know, but at least chan_sip should support it.
Also docs for kamailio registrar module.
What do you mean by "limit the user ids that go through to asterisk"?

On Wed, Jul 28, 2021 at 12:50 PM Duncan Turnbull <duncan at turnbull.co.nz<mailto:duncan at turnbull.co.nz>> wrote:
Hi Arsen

Thanks very much for your reply

We were using repro which does that but are interested in the wider capabilities of kamailio.

We are wanting to limit the user ids that go through to asterisk and eventually have two kamailio servers that provide some failover

I saw a slide pack from Fred Posner talking about fronting asterisk with kamailio and I probably jumped to uac without fully understanding what it’s purpose is

I also saw that shared line appearance can be simulated using kamailio, and perhaps it needs the uac module to achieve that.

My general understanding is new and growing so I am grateful for all advice or questions

Thanks again

Cheers Duncan

On 28/07/2021, at 3:34 PM, Arsen Semenov <arsperger at gmail.com<mailto:arsperger at gmail.com>> wrote:


Hi Duncan,

This scenario is quite new for me, not sure I got it right.. but why have you decided not to proxying requests to asterisks?
By leveraging Path and Record-route headers Asterisk will know how to route the response back as well as new requests.
And the proxy will know how to handle them.
This is how kamailio is usually set as a front-end for media servers.



On Wed, Jul 28, 2021 at 8:35 AM Duncan Turnbull <duncan at turnbull.co.nz<mailto:duncan at turnbull.co.nz>> wrote:
Hi there

I am a new user of Kamailio and we are trying to use it to be as a front end for our asterisk pbx. We are running on Ubuntu 18.04 and Kamailio 5.3.8 with Siremis

Rather than proxying the request through to asterisk we are trying to use uacreg to send a login to asterisk. Asterisk will think all the users are appear from the proxy but thats okay. Initially this is just for external users but eventually all phones etc will register via Kamailio and we will have the trunks there (and split them across another kamailio but thats another job)

If I add a user to the uacreg then when I register to Kamailio it sends a register request but to the realm in the uacreg table and the matching port Kamailio is running on.

Is this because somewhere we have set Kamailio to directly proxy on and we need to turn that off first?

This is our uacreg table

mysql> select * from uacreg;
+----+--------+------------+------------+------------+-----------+-----------+---------------+---------------+----------+--------------------+---------+-------+-----------+--------+
| id | l_uuid | l_username | l_domain   | r_username | r_domain  | realm     | auth_username | auth_password | auth_ha1 | auth_proxy         | expires | flags | reg_delay | socket |
+----+--------+------------+------------+------------+-----------+-----------+---------------+---------------+----------+--------------------+---------+-------+-----------+--------+
|  1 | testuser | testuser     | ourdomain.com<http://ourdomain.com> | 88         | 10.8.8.20 | 10.8.8.20 | 88            | password  | ''       | sip:10.8.8.20:5060<http://10.8.8.20:5060> |     360 |     0 |         3 |        |
+----+--------+------------+------------+------------+-----------+-----------+---------------+---------------+----------+--------------------+---------+-------+-----------+--------+
1 row in set (0.00 sec)

All pointer, guides and recommendations will be welcome

Thanks very much

Cheers Duncan




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