Title:
信号変換装置、サーバ装置、ネットワーク情報システム及びそれらの制御方法並びに電話機端末装置
Document Type and Number:
Japanese Patent JP3949961
Kind Code:
B2
Abstract:
Since telephone terminals 301, 302 and 303 are used as control terminals in a network information system by using DTMF signals (or packet signals), there is no need for a specially designed terminal or computer system, and any user (or researchee) who has the telephone terminal can respond to a server. In addition, by using a calling function, which is essentially provided to the telephone terminals, when the system is in use, audio communication can be easily established between users.
Inventors:
Atsushi Moriguchi
Itagaki Takaminori
Itagaki Takaminori
Application Number:
JP2001513873A
Publication Date:
July 25, 2007
Filing Date:
July 31, 2000
Export Citation:
Assignee:
NTT DoCoMo, Inc.
International Classes:
H04M11/00; G06F13/00; H04L69/14; H04M3/42; H04M3/487; H04M3/493; H04M7/00; H04W4/16; H04W4/18; H04W84/16; H04M3/38; H04M7/12; H04Q1/45
Domestic Patent References:
| JP58206273A | ||||
| JP4127762A | ||||
| JP10075307A | ||||
| JP7178244A | ||||
| JP7056497A |
Attorney, Agent or Firm:
川▲崎▼ 研二
Takashi Matsumoto
Takashi Matsumoto