Apparatus and method for transmitting facsimile data

Details Apparatus and method for transmitting facsimile data Apparatus and method for transmitting facsimile data

1996-05-17

1999-12-07

Lee, Thomas D

Facsimile and static presentation processing

Facsimile

Auxiliary signal

358400, H04M 1100

Patent

active

059992743

ABSTRACT:
A system for transmitting data in real-time over a standard digital data network, or an analog network, whereby the facsimile data is sent in data packets on the digital data network. A number in an area being dialed by a facsimile device is monitored to determine whether the number is either a local number, inter-lata number, intra-lata number or a long distance number and whether the area is being serviced by the digital data network. Based on the determination, a first POP (point-of-presence) receives the facsimile transmission, converts the facsimile transmission to a rasterized form, and then converts the rasterized data into "packets" of data, which are sent over the digital data network, one packet at a time, to a second POP. The second POP receives the packets over the digital data network, converts the packets to the rasterized form, and then reconverts the rasterized data using the G3 protocol, to be sent over the analog telephone network to the destination facsimile.

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CCITT X.5: Data Communication Networks: Services and Facilities, Interfaces--Facsimile Packet Assembly/Disassembly Facility (FPAD) in a Public Data Network, Geneva, 1992.
CCITT X.39: Data Communication Networks: Services and Facilities, Interfaces--Procedures for the Exchange of Control Information and User Data Between a Facsimile Packet Assembly/Disassembly (FPAD) Facility and a packet Mode Data Terminal Equipment (DTE) or Another FPAD, Geneva 1992.
ITU-T X.29: Public Data Networks: Interfaces--Procedures for the Exchange of Control Information and User Data Between a Packet Assembly/Disassembly (PAD) Facility and a Packet Mode DTE or Another Pad, Mar. 1993.

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