Switchboard for multiple data rate communication system

Details Switchboard for multiple data rate communication system Switchboard for multiple data rate communication system

2008-02-19

2010-06-22

Deane, William J (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C725S127000

Reexamination Certificate

active

07742466

ABSTRACT:
A switchboard device and methods of operation of same are disclosed. Embodiments of the invention may provide a flexible means of interconnecting wideband and narrowband communications interfaces, where wideband communications interfaces may transfer low-band data and high-band data, and narrowband communication interfaces may transfer low-band data. Low-band data may be combined and sent to a narrowband communications interface or a wideband communications interface. High-band data may be combined and sent to a wideband communications interface. The low-band data may represent audio signals below a predetermined frequency, while the high-band data may represent audio signals above the predetermined frequency. The predetermined frequency may be, for example, approximately 4 kHz. The spectral mask of the low-band data may meet the spectral mask of G.712. Methods of operating embodiments of the present invention are included. An additional aspect of the present invention may include machine-readable storage having stored thereon a computer program having a plurality of code sections executable by a machine for causing the machine to perform the foregoing.

REFERENCES:
patent: 5889856 (1999-03-01), O'Toole et al.
patent: 7333475 (2008-02-01), LeBlanc et al.

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