Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate
2005-01-25
2005-01-25
Chan, Wing F (Department: 2643)
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
C379S090010, C379S395010, C379S413020, C370S352000
Reexamination Certificate
active
06847705
ABSTRACT:
An apparatus for receiving a voice signal and data, and a controlling method thereof, by which a voice telephone call can be made even in power failure, network error, or CPU error, comprises: a splitter for dividing data transmitted from a data transmission unit into an internet protocol data packet and a voice signal; a first telephone connected to an analog POTS channel of the splitter for receiving the voice signal divided in the splitter; and an integrated access device (IAD) for connecting a second telephone to a voice line, that is, the analog POTS channel of the splitter or connecting the second telephone to a data line of the splitter according to state of power failure.
REFERENCES:
patent: 6400803 (2002-06-01), Tate et al.
patent: 6647024 (2003-11-01), Dombkowski et al.
Chan Wing F
Lee Hong Degerman Kang & Schmadeka
LG Electronics Inc.
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