Quality of service in a voice over IP telephone system

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels

Reexamination Certificate

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Details

C370S352000, C370S496000, C379S093290, C379S093090

Reexamination Certificate

active

07068684

ABSTRACT:
An information handling system comprises a TCP/IP network connecting a hub to a multimedia server and the hub to a data server, and the hub to an IP telephony device that is then coupled to a network device. Data sent from the network device is addressed for transmission to the data server and is transmitted through the IP telephony device to the TCP/IP network. The IP telephony device monitors when an amount of data being received over the network falls below a predetermined threshold. If this occurs, the IP telephony device will send a signal to the multimedia server, which will then generate a congestion signal to send to all or selected IP telephony devices in the network to throttle data being received by the IP telephony devices from their respective connected network devices.

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Harry Newton,Newton's Telecom Dictionary, 16th Edition, copyright 2000, pp. 126-127.
Avaya Communication, “Avaya IP Telephone,” available via the Internet at www lucent com/enterprise/solutions/eclips/pdf/black13white—paper pdf, Nov. 9, 2000.
Avaya Communication, “Quality of Service (QoS) considerations with 4600 Series IP Telephones,” available via the Internet at www lucent com/enterprise/solutions/eclips/pdf/QoSwhite—paper pdf, Jan. 29, 2000.

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