[SIP Beyond VoIP] SIP2SIP Presence functionality launched

Adrian Georgescu ag at ag-projects.com
Thu Jan 10 14:35:35 CET 2013

SIP2SIP has been updated to provide Presence functionality based on SIMPLE Working Group standards (namely RLS and XCAP) and interoperability with XMPP domains.

The functionality is delivered by the Presence Agent collocated with the SIP Proxy/Registrar that handles RLS subscriptions and XCAP server for document storage of contacts and presence rules.

Implemented standards

SIP Specific Event Notification (SUBSCRIBE and NOTIFY methods) RFC3265
SIP Extension for Event State Publication (PUBLISH method) RFC3903
SIP Event Notification Extension for Resource Lists Contact Information Extension to PIDF RFC4482
Presence Data Model (PIDF) RFC3863, RFC3379, RFC4479
Watcher-info Event Package RFC3857, RFC3858
Common Policy RFC4745 and Presence Rules RFC5025 (with support for external references specified by OMA org.openmobilealliance.pres-rules)
Resource Lists RFC4826 (with support for external references specified by OMA)
RLS Services RFC4826 and RLMI document handling RFC4662
PIDF manipulation RFC4827
XCAP Protocol RFC4825
XCAP Diff RFC5874
Read more at:



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