Method and apparatus for controlling variable bit-rate voice...

Details Method and apparatus for controlling variable bit-rate voice... Method and apparatus for controlling variable bit-rate voice...

2011-03-15

2011-03-15

Levitan, Dmitry H (Department: 2461)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

Reexamination Certificate

active

07907523

ABSTRACT:
A method and apparatus for controlling a variable bit-rate voice codec are provided. The method of controlling the variable bit-rate voice codec may include: extracting calling capability of terminals that request a new call to be made; extracting network parameters from existing calls in the network through an exchanged packet; measuring voice quality of the existing calls based on the extracted network parameters; and determining whether to permit a new call to be made based on the measured voice quality and the calling capability. Accordingly, it is possible to secure QoS of a voice service between terminals by adjusting a transmission rate of the variable bit-rate codec based on transmission capability of a network.

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“Voice-Quality Monitoring and Control for VoIP”, Michael Manousos et al., IEEE Internet Computering, Jul. Aug. 2005.

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