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Presence » History » Revision 3

Revision 2 (Adrian Georgescu, 09/18/2012 02:50 PM) → Revision 3/63 (Adrian Georgescu, 09/18/2012 02:52 PM)

h1. Presence 

 h2. Subscriptions 

 Contacts have two properties that can changed in Edit Contact Panel Subscriptions section: 

  1. Subscribe to Contact's Presence Information 
  1. Allow Contact to see my Presence Information 

 h2. Published Information 

 The following information is published by Blink: 

 <pre> 
 Internet address: sip:tijmen@test.sip2sip.info 
   Service: SID-040aafba-3bb5-4209-b6ad-27f513726e8a 
       Timestamp: 2012-09-18T14:47:53.535157+02:00 
       Note: I am happy 
       Basic status: Open 
       Extended status: Available 
       Location: Netherlands/Meppel 
       Contact: user@test.sip2sip.info 
       Icon: https://xcap.test.sipthor.net/xcap-root/org.openmobilealliance.pres-content/users/sip:user@test.sip2sip.info/oma_status-icon/index 
       Media capabilities: Audio, Chat, File Transfer, Screen Sharing 
       Device: 040aafba-3bb5-4209-b6ad-27f513726e8a (Majoor) 
           Hostname: Majoor 
           User Agent: Blink Pro 2.0.0 (MacOSX) 
           Current time: 14:48 (UTC+2) 
       Device is active 
           Idle threshold: 600 seconds 
 </pre> 

 Location can be disabled per account in Presence section of account preferences. 

 h2. Icon 

 User icon is uploaded to XCAP server using OMA pres-content application, replicated among multiple Blink instances and location of icons storage URL on XCAP server is published. 

 h2. Offline Presence 

 In status menu, one can change its presence state and also an offline state when Blink is offline. This is done using pidf-manipulation XCAP application. 

 h2. Subscribed Presence Information 

 Presence information received from the SIP URIs of a contacts present in the contacts list is used to update the Contact tile with 

  * Status icon overlaid on botton right of user icon, indicating away, busy, extended-away or available 
  * Rectangular presence indicator on right side of the tile to provide a quick overview about availability 
  * Presence note is rendered on second line, multiple notes and pending authorizations are rotated every 10 seconds 
  * User icon is retrieved and updated when necessary from URL advertised by user  

 Selecting    Show Presence Information menu item from contextual contact menu show a panel with detailed information, not all information may have been rendered in the GUI. 

 h2. Sessions 

  * When subscribed to Presence, if information is received, the contextual menu of each contact is updated with the possibility of starting a session to a specific device. This requires the remote device to use GRUU.