Video communication method of internet protocol phone

Details Video communication method of internet protocol phone Video communication method of internet protocol phone

2004-01-23

2008-08-05

Smith, Creighton H (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S431000, C348S014010, C348S014030

Reexamination Certificate

active

07408924

ABSTRACT:
A video signal communication method, applicable to IP phone, the method comprises of the following steps: when starting up the supporting video signal function, also starting to receive transmission using video related communication protocol; receiving the internet address setting of the video processing device to retrieve the internet address of the video processing device; determining if the video processing device is initialized; determining if the connected video processing device is initialized and then transmitting the received video signal to the video signal processing device; processing video signal via the compression/decompression module, and the video processing device displaying the video signal.

REFERENCES:
patent: 2002/0146000 (2002-10-01), Jonsson et al.
patent: 2003/0052962 (2003-03-01), Wilk
patent: 2003/0095560 (2003-05-01), Arita et al.
patent: 2004/0125789 (2004-07-01), Parker et al.
patent: 2005/0151833 (2005-07-01), Cupal et al.

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