btw: what is the problem with using PUA module?
On 23.10.2013 15:37, Jan Gaida wrote:
Thank you very much for your answer, Klaus.
The problem with RLS is (like you said) that it's working with
synchronous subscriptions and with asynchronous notifies. But I want to
subscribe only once for each resource and then deliver each Notify
instantaneously.
Nevertheless, looking at the code of the RLS module has given me new
ideas for the implementation of my presence-proxy. I think I can reuse
quite a big part of it.
By the way, does anyone know if there is a RFC for a presence proxy like
the one I describe?
Kind regards
Jan
On Wed, Oct 23, 2013 at 9:36 AM, Klaus Darilion
<[email protected] <mailto:[email protected]>> wrote:
MAybe you could implement it with resource lists (RLS module
subscribes to domain B if a lists in domain A is subscribed).
But above scenario does not reduce the traffic, as for every
subscription to A, a subscription to B is done. This is necessary,
as usually you have authorization at B to verify if the the user is
allowed to subscribe a resource at B.
regards
Klaus
On 22.10.2013 16:24, 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 susbcriber)
(Subscription has to be refreshed by an internal timer)
Events:
1) Publish resouce.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*
Ingeniero Desarrollo Software
C/ Marconi 3 (PTM)
28760 Tres Cantos
Spain
[email protected] <mailto:[email protected]>
<mailto:jan.gaida@grupoamper.__com
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*Jan **Gaida*
Ingeniero Desarrollo Software
C/ Marconi 3 (PTM)
28760 Tres Cantos
Spain
[email protected] <mailto:[email protected]> |
www.grupoamper.com <http://www.grupoamper.com>
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