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Title:
SIGNALING METHOD IN IP TELEPHONE SYSTEM, IP TELEPHONE SYSTEM, AND IP TELEPHONE DEVICE
Document Type and Number:
WIPO Patent Application WO/2006/112024
Kind Code:
A1
Abstract:
There is provided a signaling method for an IP telephone system (1) including a call terminal (10), a destination terminal having its identifier (20), and an extension terminal (30a) having its identifier and correlated to the destination terminal (20). A message having a header portion indicating the identifier of the destination terminal (20) and a payload portion indicating the identifier of the extension terminal (30a) is transmitted from the call terminal (10) to the destination terminal (20). The message transmitted is transferred from the destination terminal (20) to the extension terminal (30a). A response signal to the transferred message is returned from the extension terminal (30a) to the destination terminal (20).

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Inventors:
LIU HSUEH-TENG
CHEN HUI-YEEN
Application Number:
PCT/JP2005/007335
Publication Date:
October 26, 2006
Filing Date:
April 15, 2005
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
LIU HSUEH-TENG
CHEN HUI-YEEN
International Classes:
H04M3/00; H04M9/00
Foreign References:
JP2005136875A2005-05-26
JP2005129979A2005-05-19
JP2005064962A2005-03-10
Attorney, Agent or Firm:
Washida, Kimihito (Shintoshicenter Bldg. 24-1, Tsurumaki 1-chom, Tama-shi Tokyo 34, JP)
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