JPH0343822B2 - - Google Patents

Info

Publication number
JPH0343822B2
JPH0343822B2 JP5010881A JP5010881A JPH0343822B2 JP H0343822 B2 JPH0343822 B2 JP H0343822B2 JP 5010881 A JP5010881 A JP 5010881A JP 5010881 A JP5010881 A JP 5010881A JP H0343822 B2 JPH0343822 B2 JP H0343822B2
Authority
JP
Japan
Prior art keywords
line
command
wire
transmitting
receiving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP5010881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57164650A (en
Inventor
Michio Mori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP5010881A priority Critical patent/JPS57164650A/ja
Publication of JPS57164650A publication Critical patent/JPS57164650A/ja
Publication of JPH0343822B2 publication Critical patent/JPH0343822B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP5010881A 1981-04-03 1981-04-03 Connecting circuit for dispatcher telephone Granted JPS57164650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5010881A JPS57164650A (en) 1981-04-03 1981-04-03 Connecting circuit for dispatcher telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5010881A JPS57164650A (en) 1981-04-03 1981-04-03 Connecting circuit for dispatcher telephone

Publications (2)

Publication Number Publication Date
JPS57164650A JPS57164650A (en) 1982-10-09
JPH0343822B2 true JPH0343822B2 (US06582424-20030624-M00016.png) 1991-07-03

Family

ID=12849883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5010881A Granted JPS57164650A (en) 1981-04-03 1981-04-03 Connecting circuit for dispatcher telephone

Country Status (1)

Country Link
JP (1) JPS57164650A (US06582424-20030624-M00016.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0636527B2 (ja) * 1985-02-28 1994-05-11 富士通株式会社 音声信号分配方式及び音声信号合成方式

Also Published As

Publication number Publication date
JPS57164650A (en) 1982-10-09

Similar Documents

Publication Publication Date Title
US5133001A (en) Radiotelephone system in the form of a private branch exchange
US3975594A (en) Apparatus utilizing a phantom circuit for connecting additional subscribers to a telecommunication system
JPH0693796B2 (ja) デジタル時分割多重通信交換局の加入者線インターフエース回路装置
US4236244A (en) Digital communications transmission system
JPH0343822B2 (US06582424-20030624-M00016.png)
EP0142304A1 (en) Echo eliminator
JPH0129104B2 (US06582424-20030624-M00016.png)
JP2602261B2 (ja) 遠隔制御による加入者線路試験方式
KR960003976B1 (ko) 퍼스널 컴퓨터 장착형 중계대 장치
JP2748466B2 (ja) オーダーワイヤ装置を備えた通信方式
JP2710569B2 (ja) 打合回線終端装置
JPS626595A (ja) 複式接続端末の呼出し方式
JPH0369223B2 (US06582424-20030624-M00016.png)
KR0179205B1 (ko) 위성통신 시스템용 아날로그 가입자회로
JP2917028B2 (ja) 構内自動交換機
JPS63153993A (ja) ボタン電話装置
EP0558197A1 (en) Hierarchical bus type multidirectional multiplex communication system
JPS61210752A (ja) 音声信号分配方式及び音声信号合成方式
JPH05316552A (ja) 公専接続における構内交換機の音声品質保証方式
JPS6128252A (ja) 内線転送可能な伝送装置
GB702078A (en) Improvements in or relating to telephone systems
JPH0113679B2 (US06582424-20030624-M00016.png)
JPS60257648A (ja) 分岐・結合回路
JPH02198264A (ja) オーダワイヤ装置
JPS6113439B2 (US06582424-20030624-M00016.png)