Call management method, call management system and message...

Details Call management method, call management system and message... Call management method, call management system and message...

2007-10-25

2010-10-26

Shah, Chirag G (Department: 2477)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S410000, C370S522000

Reexamination Certificate

active

07821989

ABSTRACT:
A call management method makes a call management system perform a process of releasing resources that are secured for a terminal device that has become a communication disable state among resources in the call management system that are secured for each of the terminal devices under speech communication (#103and #108), and sending a message for finishing speech communication to a terminal device on the other end of the speech communication without transmitting it to the terminal device that has become a communication disable state (#112), when it is detected that one of the terminal devices under speech communication with each other has become a communication disable state in a mobile communication network (#102).

REFERENCES:
patent: 7406324 (2008-07-01), McConnell
patent: 2006/0045043 (2006-03-01), Crocker et al.
patent: 2002-320261 (2002-10-01), None
patent: WO 02/067533 (2002-08-01), None

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