[SR-Users] Fwd: Presence Proxy

Daniel-Constantin Mierla miconda at gmail.com
Tue Oct 29 10:41:47 CET 2013


Hello,

not sure is exactly what you are looking for, but check a bit the rls 
module. If not matching your needs, you have to develop your own one.

Cheers,
Daniel

On 10/23/13 9:15 AM, Jan Gaida wrote:
> Hello,
>
> I'd like to explain my scenario and the module I'd like to develop. I 
> am hoping for comments whether there are already modules like that or 
> which modules' API I could use to make the development easier.
>
> Scenario:
> I have two domains (A and B) with a Kamailio server in each of them 
> configured as presence servers.  The agents from both domains want to 
> subscribe to few resources from domain A.
>
> Idea:
> In order to reduce traffic between the domains, the presence server 
> from domain B shall handle the subscriptions internally and use an 
> internal virtual presence-user-agent to subscribe to the resources in 
> domain A.
>
> SIP Messages:
>
> Subscription:
> 1) Subscribe resource.domain.a, from each user agent ua_n.domain.b
> 2) 202 OK from kamailio.domain.b
> 3) If not already subscribed, Subscribe resource.domain.a from 
> kamailio.domain.b with virtual user-agent
> 4) 202 OK from kamailio.domain.a
>
> (Repeat for each subscriber)
> (Subscription has to be refreshed by an internal timer)
> Events:
> 1) Publish resource.domain.a to kamailio.domain.a
> 2) 200 OK from kamailio.domain.a
> 3) Notify resource.domain.a to kamailio.domain.b
> 4) 200 OK from kamailio.domain.b
> 5) Notify resource.domain.a to each user agent ua_n.domain.b
> 6) 200 OK from each ua_n.domain.b
>
> (Internally, Kamailio of domain B has to forward the incoming Notify 
> to all locally subscribed user-agents)
>
> I tried using the PUA module but it does not fit all my needs. Now I 
> think I will have to develop my own module in order to achieve 
> everything.  Any ideas?
>
> Kind regards
> Jan Gaida
>
>
> PS: Sorry for mailing to both mail-lists. But I was not sure which 
> list was the correct for this topic.
>
>
> -- 
> *Jan **Gaida*
> Ingeniero Desarrollo Software 	
> C/ Marconi 3 (PTM)
> 28760 Tres Cantos
> Spain
> jan.gaida at grupoamper.com <mailto:jan.gaida at grupoamper.com> | 
> www.grupoamper.com <http://www.grupoamper.com> 	
>
>
>
>
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-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Trainings - Berlin, Nov 25-28
   - more details about Kamailio trainings at http://www.asipto.com -

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