Title:
RELAY DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD
Document Type and Number:
Japanese Patent JP2010147904
Kind Code:
A
Abstract:
To enable a device other a destination device for communication to perform specific processing by transmitting a specific message thereto during communication of data acquired in real-time.
When a user of an IP telephone terminal 130 inputs a pattern of a specific code through a dial during a call between the IP telephone terminal 130 and an analog telephone terminal 150, a relay device 110 receives communication data where a DTMF signal specifying the inputted code is stored, and the relay device 110 performs processing corresponding to the pattern of the code.
COPYRIGHT: (C)2010,JPO&INPIT
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Inventors:
WADA ISAO
KUMADA MAKOTO
SATO YUSUKE
KUMADA MAKOTO
SATO YUSUKE
Application Number:
JP2008324157A
Publication Date:
July 01, 2010
Filing Date:
December 19, 2008
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H04M3/42
Domestic Patent References:
| JPH1198267A | 1999-04-09 |
Foreign References:
| WO1997030558A1 | 1997-08-21 |
Attorney, Agent or Firm:
Shoyo domestic and overseas patent office
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