Multiplex communications – Diagnostic testing – Determination of communication parameters
Reexamination Certificate
2005-05-03
2005-05-03
Cangialosi, Salvatore (Department: 3621)
Multiplex communications
Diagnostic testing
Determination of communication parameters
C370S352000
Reexamination Certificate
active
06888801
ABSTRACT:
Devices, software and methods are provided for determining a quality of service for a Voice over Internet Protocol (VoIP) connection. A round trip time of packets is measured between the devices that are exchanging voice data. In addition, at least one performance parameter is determined, such as packet delay or packet loss. A quality of service is then determined from the round trip time and the performance parameter.
REFERENCES:
patent: 6522658 (2003-02-01), Roccanova
patent: 6574216 (2003-06-01), Farris et al.
Cangialosi Salvatore
Cisco Systems Inc.
Marger & Johnson & McCollom, P.C.
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