System and method for handling V.8bis signals for modem...

Details System and method for handling V.8bis signals for modem... System and method for handling V.8bis signals for modem...

2006-01-10

2006-01-10

Ton, Dang (Department: 2666)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

Reexamination Certificate

active

06985481

ABSTRACT:
There is provided system and method for communication over a network, which includes a first gateway and a second gateway capable of communicating with each other using a packet protocol. Each gateway is capable of communicating with a local communication device, such as a modem device, over a telephone line. In modem relay mode, each gateway is capable of detecting V.8bis signals from the communication devices, blocking such V.8bis signals, and switching to modem relay mode in response to such detection. In modem pass through mode, each gateway is capable of detecting V.8bis signals from the communication devices and switching to modem pass through mode in response to such detection.

REFERENCES:
patent: 5903547 (1999-05-01), Shimokasa
patent: 5953346 (1999-09-01), Luddy
patent: 6504838 (2003-01-01), Kwan
patent: 6757367 (2004-06-01), Nicol
patent: 6829244 (2004-12-01), Wildfeuer et al.

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