Method of management and control of voice calls and gateway...

Details Method of management and control of voice calls and gateway... Method of management and control of voice calls and gateway...

2005-09-27

2005-09-27

Ngo, Ricky (Department: 2663)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S401000

Reexamination Certificate

active

06950425

ABSTRACT:
A method of management and control of voice calls and a gateway for the same designed to maintain a real-time characteristic of speech and a constant quality of speech comprising a first step of discriminating whether or not an input packet is a voice call packet, a second step of deciding, when discriminating that the packet is a voice call packet, whether or not the voice call packet can be carried over the transmission path based on both an available band provided in the transmission path and a required band for the voice call packet, and a third step of transferring the voice call packet only when it is decided that it can be carried.

REFERENCES:
patent: 6339594 (2002-01-01), Civanlar et al.
patent: 6477164 (2002-11-01), Vargo et al.
patent: 6529499 (2003-03-01), Doshi et al.
patent: 6584110 (2003-06-01), Mizuta et al.
patent: 6600734 (2003-07-01), Gernert et al.
patent: 6600735 (2003-07-01), Iwama et al.
patent: 06232904 (1994-08-01), None

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