Title:
AUTOMATIC SWITCHING SYSTEM OF SUBSCRIBER LINE SERVICES
Document Type and Number:
Japanese Patent JP3919078
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an automatic switching system of service items for subscriber lines connected to a subscriber exchange network.
SOLUTION: This system has a main distribution frame which can change line service items freely based on a switching control signal, and a control computer connected to the main distribution frame and a subscriber terminal. The control computer generates a control signal to change over a predetermined line service according to a request from a subscriber terminal, and supplies the signal to the main distribution frame.
Inventors:
Hidetaka Koeda
Toshiharu Yoshiki
Toshiharu Yoshiki
Application Number:
JP2002001541A
Publication Date:
May 23, 2007
Filing Date:
January 08, 2002
Export Citation:
Assignee:
Oki Electric Industry Co., Ltd.
International Classes:
H04M3/00; H04M3/527; H04M3/26; H04M3/42; (IPC1-7): H04M3/00; H04M3/26; H04M3/42; H04M3/527
Domestic Patent References:
| JP200116327A | ||||
| JP2003179689A |
Attorney, Agent or Firm:
Motohiko Fujimura
Previous Patent: METHOD OF MANUFACTURING INK JET PRINTING HEAD
Next Patent: GROUND SURVEY SYSTEM FOR BUILDING SITE
Next Patent: GROUND SURVEY SYSTEM FOR BUILDING SITE