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1. (WO2018146117) MANAGEMENT OF PERMANENT PRESENCE STATES

Pub. No.:    WO/2018/146117    International Application No.:    PCT/EP2018/053002
Publication Date: Fri Aug 17 01:59:59 CEST 2018 International Filing Date: Thu Feb 08 00:59:59 CET 2018
IPC: H04L 12/58
Applicants: NOKIA SOLUTIONS AND NETWORKS OY
Inventors: DARLOY, Cedric
COLAVITI, Eric
MAOUCHE, Ahmed
Title: MANAGEMENT OF PERMANENT PRESENCE STATES
Abstract:
For the management of permanent presence states, a presence server (PS) is configured to: receive a subscription request from a watcher (WA), the request containing the identifier (IdP) of a presentity, send a fetch request for a configuration document (CD) of the presentity to the content server (CS), the fetch request containing the identifier (IdP) of the presentity, and retrieve the configuration document (CD), the configuration document defining for each of different permanent state documents (PSD) the name of the permanent state document, an URL of the permanent state document, and a period of validity of the permanent state document, extract all pointed presence permanent documents in the configuration document (CD), by means of the names and URLs associated with the permanent state documents, send a fetch request for at least one permanent state document (PSD) which is available for publication according to its period of validity to the content server (CS), and retrieve said at least one permanent permanent state document (PSD), apply a presence composition of the subscribed presentity and sending a merged presence document containing information from said at least one permanent state document (PSD) to the watcher (WA).