[OpenSIPS-Users] call_center module in Opensips 2.3

[Bogdan-Andrei Iancu]

Dragomir,

The Call Center module handles the agents as simple SIP URIs. if in your 
case the agents are actually registering devices, this is a different 
matter. What I suggest, for simplicity reasons is to use 2 opensips 
instances.

The first to be a dedicated call center seeing the agents as AoRs 
(sip:user at domain) where the domain points to the IP of the second server

The second instance to be simple registrar server for the "domain" where 
the agents are registering their devices.

In terms of call you will have:

---(call to queue)----> OPENSIPS1 -----(call to agent user at domain)----> 
OPENSIPS2 -----(call to registered device)-----> AGENT DEVICE


Regards,

Bogdan-Andrei Iancu
   OpenSIPS Founder and Developer
   http://www.opensips-solutions.com

On 11/10/2017 04:21 PM, Dragomir Haralambiev wrote:
> Hi,
>
> I try your idea to loop the INVITE back to Opensips and do a lookup(). 
> I pit into "location" field from cc_agents table this one 
> "sip:localnumber at Opensips_IP:Opensips_port".
>
> Call is connected but I receive follow log message:
>
>   ERROR:b2b_entities:b2b_prescript_f: No dialog found, callid= 
> [B2B.337.5360955.1510320840], method=OPTIONS
>
> When call is finished record from dialog tables is not deleted.
>
> Where is problem?
>
> Regards,
> Dragomir
>
> 2017-11-06 11:37 GMT+02:00 Răzvan Crainea <razvan at opensips.org 
> <mailto:razvan at opensips.org>>:
>
>     Hi, Hristo!
>
>     1. You are right, b2b_entities should be loaded as a dependency
>     for b2b_logic. You may argue that it should also be listed as a
>     dependency to call_center as well, but indirectly.
>
>     2. Yes, you should populate the tables with the flows you want to
>     support and the agents that are going to use the call center.
>
>     3. There is currently no way to directly set the location of the
>     agent dynamically. However, we can do some work-arounds, for
>     example always advertise yourself as the location of the user, and
>     for each call you can loop the INVITE back to you and do a
>     lookup(). Or simply use an external registrar service.
>
>     Best regards,
>
>     Răzvan Crainea
>     OpenSIPS Developer
>     www.opensips-solutions.com <http://www.opensips-solutions.com>
>
>     On 11/05/2017 11:06 PM, Hristo Donev wrote:
>>     Hello All,
>>
>>     I try to implement call_center module in Opensips 2.3.
>>     Here are my questions?
>>
>>     1. From the documentation 1.3.1:
>>     "b2b_logic" and "database" must be loaded before callcenter module.
>>
>>     I found out that "b2b_entities" should be loaded as well,
>>     otherwise the opensips does not start.
>>
>>     Is this my mistake or a documentation error?
>>
>>     2. Opensips can not start if the tables "cc_agents" and "cc_flow"
>>     are empty.
>>     Why it cannot start? Should they be populated with some data?
>>
>>     3. Table "cc_agents", field "location" should point to the SIP
>>     agent location.
>>     If the agent's IP and port are changed dynamically -
>>     how to copy automatically "contact" field from "location" table
>>     to "cc_agents" field "location"?
>>
>>     I would be grateful to receive a response for my questions.
>>
>>     Thanks in advance,
>>     Hristo Donev
>>
>>
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