Method for supporting session mobility

Details Method for supporting session mobility Method for supporting session mobility

2005-11-09

2009-08-04

Shah, Chirag G (Department: 2419)

Telephonic communications

Centralized switching system

Switching controlled in response to called station...

C370S331000, C455S436000, C709S227000

Reexamination Certificate

active

07570756

ABSTRACT:
A method for supporting session mobility, more particularly, a method for supporting session mobility that can move various sessions between two or more devices by using session initiation protocol (SIP). Various sessions can be simultaneously moved by utilizing a SIP PUBLISH message. Accordingly, a user can utilize various services as they are regardless of changing of service receiving device while the user utilizes various services. Also, the session mobility can be effectively supported whether the target of the session movement is known or not.

REFERENCES:
patent: 2003/0088765 (2003-05-01), Eschbach et al.
patent: 2003/0187871 (2003-10-01), Amano et al.
patent: 2003/0195963 (2003-10-01), Song et al.
patent: 2004/0139198 (2004-07-01), Costa-Requena et al.
patent: 2006/0026288 (2006-02-01), Acharya et al.
Henning Schulzrinne, et al “Application-Layer Mobility Using SIP” ACM SIGMOBILE Mobile Computing and Communications Review, vol. 4, Issues 3, pp. 47-57, Jul. 2000.

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