JPH0329239B2 - - Google Patents

Info

Publication number
JPH0329239B2
JPH0329239B2 JP9403484A JP9403484A JPH0329239B2 JP H0329239 B2 JPH0329239 B2 JP H0329239B2 JP 9403484 A JP9403484 A JP 9403484A JP 9403484 A JP9403484 A JP 9403484A JP H0329239 B2 JPH0329239 B2 JP H0329239B2
Authority
JP
Japan
Prior art keywords
information
busy
path
line
display control
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
JP9403484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60237795A (ja
Inventor
Kazunori Fujita
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 JP9403484A priority Critical patent/JPS60237795A/ja
Publication of JPS60237795A publication Critical patent/JPS60237795A/ja
Publication of JPH0329239B2 publication Critical patent/JPH0329239B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP9403484A 1984-05-11 1984-05-11 内線話中表示制御方式 Granted JPS60237795A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9403484A JPS60237795A (ja) 1984-05-11 1984-05-11 内線話中表示制御方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9403484A JPS60237795A (ja) 1984-05-11 1984-05-11 内線話中表示制御方式

Publications (2)

Publication Number Publication Date
JPS60237795A JPS60237795A (ja) 1985-11-26
JPH0329239B2 true JPH0329239B2 (en, 2012) 1991-04-23

Family

ID=14099280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9403484A Granted JPS60237795A (ja) 1984-05-11 1984-05-11 内線話中表示制御方式

Country Status (1)

Country Link
JP (1) JPS60237795A (en, 2012)

Also Published As

Publication number Publication date
JPS60237795A (ja) 1985-11-26

Similar Documents

Publication Publication Date Title
KR920004130B1 (ko) 교환장치
US4759016A (en) TDMA communication system having common local path medium and local time slot for intraoffice calls
EP0171803B1 (en) Time division exchange for carrying out a loop-back test
JPS62189895A (ja) 狭帯域チヤネルを持つ通信網を通じて広帯域通信施設を確立するための方法と装置
US4466095A (en) Speech path control system
JPS6038064B2 (ja) 回線パケット複合交換方式
WO1984000870A1 (en) Control information communication arrangement for a time division switching system
US4602363A (en) Expansion apparatus for use in communication systems
US5590129A (en) Single stage telecommunications switch with partitioned processors
US4143241A (en) Small digital time division switching arrangement
JPH0329239B2 (en, 2012)
JPH05316149A (ja) ディジタル電子構内交換機
JPH0113800B2 (en, 2012)
JP2828417B2 (ja) 電話交換機におけるアナログ回線関連情報信号とｉｓｄｎ回線関連情報信号との統一スイッチング方式
JP2668129B2 (ja) 光交換機
JP2646604B2 (ja) Ｉｓｄｎにおける多重装置
JP2654027B2 (ja) ディジタルボタン電話装置
JP2630117B2 (ja) Ｉｓｄｎインタフェース回路
JP2973275B2 (ja) Ｉｓｄｎ同報方式
JPS58151159A (ja) 複合交換方式
JPS6218119B2 (en, 2012)
JP2654025B2 (ja) ディジタルボタン電話装置
US5504740A (en) Line trunk unit connected to a time division switch, digital exchange and communications system using the line trunk unit
JPS6340519B2 (en, 2012)
NZ243988A (en) Communication between point to point connected circuit mode supports