[OpenSIPS-Users] RLS Services: subscription expanded to 0 contacts.

[Sanjeev BA]

Hi,

I am trying to get an RLS server setup working and find the following issue.

 

Client sends SUBSCRIBE with list URI. RLS expands the list URI to individual
URIs.

Sends individual subscribe to Presence Server (co-located)

Presence server responds with 202 or 200 response code.

 

I have an ngrep on port 5060 and I can see NOTIFY being sent by the presence
server.

Along with the log

Send_notify_request: NOTIFY <client SIP URI> via <presence server URI> on
behalf of <contact URI> for event presence.

 

However, when the contact presence status changes and is PUBLISHed, RLS does
not NOTIFY the client.

In the logs I can see the error 0 dialogs found.

 

Please let me know of any specific configuration required to make this work.

 

Regards

Sanjeev

 

 

From: users-bounces at lists.opensips.org
[mailto:users-bounces at lists.opensips.org] On Behalf Of Adrian Georgescu
Sent: Wednesday, October 21, 2009 8:59 PM
To: OpenSIPS users mailling list
Subject: Re: [OpenSIPS-Users] RLS Services: subscription expanded to 0
contacts.

 

There are two major issues related to the implementing of such feature:

 

1. You expose your server to information provisioned in a remote system

2. OpenSIPS child may block waiting for the response from the remote XCAP
server

 

So though this feature is well defined in the standards, it can introduce a
lot of problems for the operator that implements it. 

 

--

Adrian

 

 





 

On Oct 21, 2009, at 10:55 AM, Sanjeev BA wrote:





Hi,

I am facing the issue posted previously.

 

It is very clear what happens. Your rls-services document looks like this:
<rls-services xmlns:rl="urn:ietf:params:xml:ns:resource-lists" 
xmlns="urn:ietf:params:xml:ns:rls-services">
  <service uri="sip:alice at net1.test
<http://lists.opensips.org/cgi-bin/mailman/listinfo/users>
;pres-list=Default">
    
<resource-list>http://xcap.net1.test/xcap-root/resource-lists/users/sip%3aal
ice%40net1.test/index/~~/resource-lists/list%5b at name=%22Default%22%5d
<http://xcap.net1.test/xcap-root/resource-lists/users/sip%3aalice%40net1.tes
t/index/~~/resource-lists/list%5b at name=%22Default%22%5d%3c/resource-list>
</resource-list>
    <packages>
      <package>presence</package>
    </packages>
  </service>
</rls-services>]
 
It has a reference to a resouce-list document where the list is actually 
defined. Unfortunately opensips does not have support for this. It only 
works with the list being defined inside the rls-services document. This 
is on the list of improvements and will be included until the next major 
release.
 

I am using OpenSIPS 1.5. Is it addressed in the release or do I need to
upgrade to 1.6?

 

Regards,

Sanjeev

 

 

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