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Patent Searching and Data


Title:
DIGITAL TELEPHONE SYSTEM
Document Type and Number:
Japanese Patent JPH01164154
Kind Code:
A
Abstract:
PURPOSE:To transfer a call without newly drawing in a telephone line by calling a set transferring destination through an empty channel at the time of receiving an incoming call and setting a turning back route by a response from the other party. CONSTITUTION:A CPU 51 has a memory to store data to indicate transferring destination information inputted from an operating part 50, a transferring means to execute an incoming call processing as it is when the data are not written in the memory and execute a calling according to the written data through the dead channel when the data are written in the memory, and turning back route setting means to control a channel switching circuit 53, connect two channels, which are a B1 channel 54 and a B2 channel 55, and set the turning back route when the response is received for the calling. Thus, the new telephone line becomes unnecessary to be installed, and a transferring processing can be executed easily.

Inventors:
KINOSHITA TOSHIJI
HIDAKA KENICHI
NAKAMURA SHINICHI
Application Number:
JP32154887A
Publication Date:
June 28, 1989
Filing Date:
December 21, 1987
Export Citation:
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Assignee:
TAMURA ELECTRIC WORKS LTD
International Classes:
H04M1/00; H04M1/253; (IPC1-7): H04M1/00
Attorney, Agent or Firm:
Masaki Yamakawa (2 outside)