Title:
SIPを用いたボタン電話装置による会議招集方法、そのシステム、その装置及びそのプログラム
Document Type and Number:
Japanese Patent JP5248891
Kind Code:
B2
Inventors:
Nobuhiro Mouchi
Application Number:
JP2008078001A
Publication Date:
July 31, 2013
Filing Date:
March 25, 2008
Export Citation:
Assignee:
NEC Infrontia Co., Ltd.
International Classes:
H04M3/56; H04M3/42
Domestic Patent References:
| JP2004357218A | ||||
| JP2000349756A | ||||
| JP2004364034A | ||||
| JP2007150851A | ||||
| JP7131538A |
Attorney, Agent or Firm:
Michio Nagai
Masao Sekiguchi
Takamasa Nakano
Masao Sekiguchi
Takamasa Nakano