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AU563484B2 - Extension call back in key telephone system - Google Patents
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AU563484B2 - Extension call back in key telephone system - Google Patents

Extension call back in key telephone system

Info

Publication number
AU563484B2
AU563484B2 AU60502/86A AU6050286A AU563484B2 AU 563484 B2 AU563484 B2 AU 563484B2 AU 60502/86 A AU60502/86 A AU 60502/86A AU 6050286 A AU6050286 A AU 6050286A AU 563484 B2 AU563484 B2 AU 563484B2
Authority
AU
Australia
Prior art keywords
telephone system
call back
key telephone
extension call
extension
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.)
Ceased
Application number
AU60502/86A
Other versions
AU6050286A (en
Inventor
Senji Okumura
Katsuyuki Sekine
Ryuzo Sugiura
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.)
Tamura Electric Works Ltd
Original Assignee
Tamura Electric Works 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 Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Publication of AU6050286A publication Critical patent/AU6050286A/en
Application granted granted Critical
Publication of AU563484B2 publication Critical patent/AU563484B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU60502/86A 1985-07-25 1986-07-24 Extension call back in key telephone system Ceased AU563484B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16283085A JPS6224795A (en) 1985-07-25 1985-07-25 Key telephone system
JP60-162830 1985-07-25

Publications (2)

Publication Number Publication Date
AU6050286A AU6050286A (en) 1987-01-29
AU563484B2 true AU563484B2 (en) 1987-07-09

Family

ID=15762049

Family Applications (1)

Application Number Title Priority Date Filing Date
AU60502/86A Ceased AU563484B2 (en) 1985-07-25 1986-07-24 Extension call back in key telephone system

Country Status (2)

Country Link
JP (1) JPS6224795A (en)
AU (1) AU563484B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU594243B2 (en) * 1987-06-16 1990-03-01 Siemens Aktiengesellschaft A computer-controlled switching system, in particular a so-called key telephone switching system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128985A (en) * 1987-04-01 1992-07-07 Canon Kabushiki Kaisha Communication system having a plurality of voice communication terminals and a data communication terminal
JPH021982U (en) * 1988-06-16 1990-01-09
CN112714219B (en) * 2019-10-24 2023-03-21 成都鼎桥通信技术有限公司 Number switching method and device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU594243B2 (en) * 1987-06-16 1990-03-01 Siemens Aktiengesellschaft A computer-controlled switching system, in particular a so-called key telephone switching system

Also Published As

Publication number Publication date
AU6050286A (en) 1987-01-29
JPS6224795A (en) 1987-02-02

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