AU7564581A - Pbx telephone system - Google Patents

Pbx telephone system

Info

Publication number
AU7564581A
AU7564581A AU75645/81A AU7564581A AU7564581A AU 7564581 A AU7564581 A AU 7564581A AU 75645/81 A AU75645/81 A AU 75645/81A AU 7564581 A AU7564581 A AU 7564581A AU 7564581 A AU7564581 A AU 7564581A
Authority
AU
Australia
Prior art keywords
telephone system
pbx telephone
pbx
telephone
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.)
Abandoned
Application number
AU75645/81A
Inventor
Dieter Blossfeldt
Hartmut Gebhardt
Wolfgang Heberle
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of AU7564581A publication Critical patent/AU7564581A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
    • H04M9/007—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line wherein the key telephone sets are star-connected to a central unit by a limited number of lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
AU75645/81A 1980-09-25 1981-09-24 Pbx telephone system Abandoned AU7564581A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE30361694 1980-09-25
DE19803036169 DE3036169A1 (en) 1980-09-25 1980-09-25 ARRANGEMENT FOR TELEPHONE APPARATUS IN SMALL TELEPHONE EXTENSION PLANTS IN WHICH A TWO-SIDED TRANSMISSION OF DIGITAL SIGNALS IS DONE BETWEEN THESE AND A CENTRAL DEVICE

Publications (1)

Publication Number Publication Date
AU7564581A true AU7564581A (en) 1982-04-01

Family

ID=6112830

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75645/81A Abandoned AU7564581A (en) 1980-09-25 1981-09-24 Pbx telephone system

Country Status (7)

Country Link
EP (1) EP0048924A1 (en)
AU (1) AU7564581A (en)
BR (1) BR8106112A (en)
DE (1) DE3036169A1 (en)
FI (1) FI812976L (en)
GB (1) GB2084429A (en)
NO (1) NO813219L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58195393A (en) * 1982-05-10 1983-11-14 Nec Corp Key telephone set

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5489506A (en) * 1977-12-27 1979-07-16 Nec Corp Electronic key telephone set

Also Published As

Publication number Publication date
EP0048924A1 (en) 1982-04-07
GB2084429A (en) 1982-04-07
NO813219L (en) 1982-03-26
DE3036169A1 (en) 1982-04-01
BR8106112A (en) 1982-06-15
FI812976L (en) 1982-03-26

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