Patent ID: 7085365
Filing Date: 2006-08-01
Classification: H04W

Abstract:
1. A method of managing group information in a communication system capable of providing multipoint group communication between subscribers of a first administrative subsystem and subscribers of a second administrative subsystem, said management of group information including creating, deleting and modifying users and groups for said multipoint group communication, the method comprising: storing group information of subscribers of a first administrative subsystem in a first server in the first administrative subsystem; storing group information of subscribers of a second administrative subsystem in a second server in the second administrative subsystem; receiving, in the first server, a request for a group management action related to management of group information of a particular user; checking whether the particular user is a user of the first administrative subsystem; sending from the first server to the second server, in response to the particular user not being said user of the first administrative subsystem, an inquiry for the group information of the particular user; generating a response to the inquiry in the second server; and performing the action according to the response to the inquiry.