A USER DIRECTORY SYSTEM FOR A HUB-BASED SYSTEM FEDERATING DISPARATE UNIFIED COMMUNICATIONS SYSTEMS

摘要

A user directory for a hub-based system federating disparate unified communications systems is disclosed. According to one embodiment, the computer-implemented method includes connecting a firs! unified communications system and a second unified communications system through a federation server, synchronizing a directory entry from a directory of the first unified communications system to a user directory, where the directory entry contains user information of the first unified communications system, and providing the second unified communications system: with an access to the directory entry.