Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2008-07-01
2008-07-01
Woo, Stella (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C726S015000
Reexamination Certificate
active
07394805
ABSTRACT:
A system for connecting a portable information equipment and an extension telephone, comprises: an extension telephone connecting device for connecting the portable information equipment to an extension telephone system after authentication through a virtual private network (VPN); and a Voice over Internet Protocol (VoIP) connecting device for connecting the portable information equipment connected to the extension telephone system to the extension telephone connected to the extension telephone system by VoIP. This system enables a temporary staff to make a call from outside to an extension telephone system in a dispatched company while maintaining security.
REFERENCES:
patent: 6993360 (2006-01-01), Plahte et al.
patent: 2004/0006708 (2004-01-01), Mukherjee et al.
patent: 2005/0227670 (2005-10-01), Bicker
patent: 2000-244639 (2000-09-01), None
patent: 2001-265584 (2001-09-01), None
patent: 2001-331389 (2001-11-01), None
patent: 2002-297755 (2002-10-01), None
patent: WO 01/35616 (2001-05-01), None
patent: WO 01/78317 (2001-10-01), None
Japanese Office Action dated May 15, 2006 with English translation of pertinent portions.
Japanese Office Action dated Dec. 2, 2003 with English translation of pertinent portions.
“Mastering IP Telephone”, Network Magazine, pp. 137-159 (Nov. 2002).
H. Konetomo, “Point-Illustrated VPN/VLAN Textbook” (1999).
Kobayashi Yoshikazu
Zen Toshiaki
NEC Infrontia Corporation
Witham Curtis Christofferson & Cook, PC
Woo Stella
LandOfFree
System and method for connecting portable information... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System and method for connecting portable information..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for connecting portable information... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2790369