Method for synchronizing registration information within...

Details Method for synchronizing registration information within... Method for synchronizing registration information within...

2006-08-01

2006-08-01

Etienne, Ario (Department: 2157)

Electrical computers and digital processing systems: multicomput

Computer conferencing

Priority based messaging

C709S206000, C709S223000, C709S238000, C709S240000

Reexamination Certificate

active

07085813

ABSTRACT:
Disclosed herein is a method for synchronizing user registration information in an inter-domain. In this synchronization method, the current position information of a random user is registered through a register message when the user moves from one user agent to another. An up-sync message is transmitted upstream of a tree structure and a down-sync message is transmitted downstream of the tree structure when user registration information is created or changed. The synchronization of the user registration information is carried out in upper and lower session initiation protocol servers/registrars having received the up-sync and down-sync messages, respectively.

REFERENCES:
patent: 6738390 (2004-05-01), Xu et al.
patent: 6842449 (2005-01-01), Hardjono
patent: 6885861 (2005-04-01), Koskelainen
patent: 6934756 (2005-08-01), Maes

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