Using network time protocol in voice over packet transmission

Details Using network time protocol in voice over packet transmission Using network time protocol in voice over packet transmission

2003-09-04

2009-10-13

Tieu, Binh K (Department: 2614)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C370S516000, C709S208000, C709S228000, C713S375000, C713S400000

Reexamination Certificate

active

07602815

ABSTRACT:
One or more methods and systems of effectively transmitting voice and voice band data from one node to another are presented. In one embodiment, the system comprises an NTP time server generating absolute times to computing devices such as residential voice over internet protocol (VoIP) gateways. The NTP time server generates absolute times in response to NTP time requests made by one or more computing devices such as residential VoIP gateways. In one embodiment, the method comprises determining an adequate rate for requesting absolute times from an NTP server, making periodic requests to the NTP server, obtaining the absolute times from the NTP server, and generating an adjustment parameter for use by a computing device such as a residential VoIP gateway.

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