Method and apparatus for multiplexing voice over ATM or IP...

Details Method and apparatus for multiplexing voice over ATM or IP... Method and apparatus for multiplexing voice over ATM or IP...

2005-09-13

2005-09-13

Duong, Frank (Department: 2666)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

Reexamination Certificate

active

06944160

ABSTRACT:
A method and apparatus for providing, illustratively, voice data over an asynchronous transfer mode (ATM), Internet Protocol (IP) or other communications network where the voice data is preferentially encoded at a high fidelity level, formed into transport cells or packets, and multiplexed onto a communications channel with, optionally, data traffic. In response to network congestion or buffer over utilization, the voice data is encoded at a medium or low fidelity level to reduce the amount of encoded data necessary to represent the voice data.

REFERENCES:
patent: 6169738 (2001-01-01), Sriram et al.
patent: 6445696 (2002-09-01), Foodeei et al.
patent: 6519259 (2003-02-01), Baker et al.
patent: 6574193 (2003-06-01), Kinrot
Chambers et al, Voice over ATM, Bell Labs Technical Journal, pp. 176-191, 1998.
Holler, Voice and telephony networking over ATM, Ericsson Review No. 1, pp. 40-45, 1998.

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