Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
Reexamination Certificate
2011-07-12
2011-07-12
Sing, Simon (Department: 2614)
Telephonic communications
Telephone line or system combined with diverse electrical...
To produce visual-graphic copy
C379S100050, C379S100130
Reexamination Certificate
active
07978832
ABSTRACT:
In a communicating apparatus which makes speech and image communication, a proper communication path is selected by a simple construction of a low cost, thereby enabling data communication of a high-speed and high reliability to be performed. If a telephone number of an opponent station corresponds to an VoIP network, a communicating apparatus obtains an IP address of the opponent station from an SIP proxy server and sends and receives communication data on an IP network to/from the opponent station by a file sending/receiving protocol such as FTP, HTTP, or the like. If the telephone number of an opponent station does not correspond to the VoIP, image data is facsimile-modulated, a digital encoding method (64 kbps PCM encoding) suitable for a facsimile modulating method is selected, and an analog facsimile signal obtained by the facsimile modulation is digitally encoded and sent to the opponent station through a media gateway for executing analog/digital signal conversion between the IP network and a public line network.
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U.S. Appl. No. 10/569,505, filed Feb. 27, 2006.
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Sing Simon
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