Multiplex communications – Diagnostic testing – Of a switching system
Reexamination Certificate
2005-08-17
2010-06-22
Mills, Donald L (Department: 2462)
Multiplex communications
Diagnostic testing
Of a switching system
C370S252000, C375S224000
Reexamination Certificate
active
07742428
ABSTRACT:
A communication network comprises a first gateway, a second gateway, a soft switch, and an end device. The end device transmits a first test message to the first gateway and transmits a second test message to the second gateway. The first gateway receives the first test message and transmits a first response message responsive to the first test message. The second gateway receives the second test message and transmits a second response message responsive to the second test message. The end device receives the first response message, receives the second response message, processes the first response message and the second response message to determine a preferred gateway of the first gateway and the second gateway, generates an update message indicating the preferred gateway, and transmits the update message to the soft switch.
REFERENCES:
patent: 6973313 (2005-12-01), Sebastian
patent: 2004/0258239 (2004-12-01), Gallant et al.
Mauer Brian D
Sankaranaraynan Pallavur
Schlesener Matthew C
Mills Donald L
Russell Wanda Z
Sprint Communications Company L.P.
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