[OpenSIPS-Users] Presence using RLS support in upcoming Blink release

Adrian Georgescu ag at ag-projects.com
Fri Sep 21 15:21:01 CEST 2012


Here is some technical information about the support for Presence in upcoming Blink release. This is work in progress and if you have comments or suggestions you may attach them to the link below:



This functionality will be available in upcoming Blink Pro 2.0 and Blink Lite 2.0 for MacOSX and also on Blink-Qt for Window and Linux.

Design Principles

Blink should work with any SIP and XCAP servers that supports all related SIP SIMPLE standards, but only a subset of them are used. They are described below:

Blink uses only TCP or TLS transports for signaling
Blink presence payload is based on RPID schema with its extensions for media capabilities and person information
Blink relies on a Presence Agent collocated with the SIP Registrar that supports PUBLISH method and XCAP storage
Presence Agent must support handling of presence rules using org.openmobilealliance.pres-rules XCAP document
Presence Agent must support external references from rls-services to resource-lists
Presence Agent must support external references from rls-services to org.openmobilealliance.pres-rules
Presence Agent must support presence and presence.winfo event packages
Presence Agent may support xcap-diff event package for XCAP documents replication between clients
Presence Agent must support RLS subscriptions and RLMI notifications
SIP Registrar may support GRUU
XCAP server may support serving the user icon from org.openmobilealliance.pres-content document
XCAP server must support the following XCAP applications: rls-services, resource-lists, xcap-caps, org.openmobilealliance.pres-content, org.openmobilealliance.pres-rules, org.openmobilealliance.xcap-directory
XCAP server may support pidf-manipulation for offline status

To read the full content go to:



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