Fax transmission over congested or corrupted wideband...

Details Fax transmission over congested or corrupted wideband... Fax transmission over congested or corrupted wideband...

2005-08-30

2005-08-30

Ramakrishnaiah, Melur (Department: 2643)

Telephonic communications

Telephone line or system combined with diverse electrical...

To produce visual-graphic copy

C379S100060, C379S100170

Reexamination Certificate

active

06937709

ABSTRACT:
A method and apparatus for maintaining a fax transmission over a relay network that includes at least first and second portions and a relay portion that couples the first and second portions to each other. At a second gateway connecting the second portion to the relay portion, data frames received over the relay portion are processed to determine if they are corrupted, and signals are sent back to a first gateway to resend any data frames that are corrupted. The first gateway connects the first portion to the relay portion.

REFERENCES:
patent: 6483600 (2002-11-01), Schuster et al.
patent: 6501790 (2002-12-01), Livshin
patent: 406152513 (1994-05-01), None

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