AU440883B2 - Improvements in telephone exchange equipment - Google Patents

Improvements in telephone exchange equipment

Info

Publication number
AU440883B2
AU440883B2 AU22445/70A AU2244570A AU440883B2 AU 440883 B2 AU440883 B2 AU 440883B2 AU 22445/70 A AU22445/70 A AU 22445/70A AU 2244570 A AU2244570 A AU 2244570A AU 440883 B2 AU440883 B2 AU 440883B2
Authority
AU
Australia
Prior art keywords
telephone exchange
exchange equipment
equipment
telephone
exchange
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
AU22445/70A
Other versions
AU2244570A (en
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 filed Critical
Priority to AU22445/70A priority Critical patent/AU440883B2/en
Publication of AU2244570A publication Critical patent/AU2244570A/en
Application granted granted Critical
Publication of AU440883B2 publication Critical patent/AU440883B2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
AU22445/70A 1970-11-19 1970-11-19 Improvements in telephone exchange equipment Expired AU440883B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU22445/70A AU440883B2 (en) 1970-11-19 1970-11-19 Improvements in telephone exchange equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU22445/70A AU440883B2 (en) 1970-11-19 1970-11-19 Improvements in telephone exchange equipment

Publications (2)

Publication Number Publication Date
AU2244570A AU2244570A (en) 1972-05-22
AU440883B2 true AU440883B2 (en) 1973-09-24

Family

ID=3711625

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22445/70A Expired AU440883B2 (en) 1970-11-19 1970-11-19 Improvements in telephone exchange equipment

Country Status (1)

Country Link
AU (1) AU440883B2 (en)

Also Published As

Publication number Publication date
AU2244570A (en) 1972-05-22

Similar Documents

Publication Publication Date Title
AU463007B2 (en) Coin telephone sets
CA931238A (en) Wireless telecommunication system for use in confined spaces
CA930883A (en) Telephone circuits
AU440883B2 (en) Improvements in telephone exchange equipment
CA901266A (en) Deuterium-hydrogen exchange using diamines
AU2620371A (en) Telephone subset
CA953045A (en) Telephone auto-answering device
AU464484B2 (en) Individual telephone line equipment
AU445348B2 (en) Telecommunication exchange
CA849110A (en) Telephone exchanges
CA853381A (en) Mobile telephone exchange apparatus
AU2174070A (en) Telephone sets
AU1097370A (en) Telecommunication exchange
ZA704235B (en) Improvements in communications
CA854796A (en) Telephone set
CA970863A (en) Telecommunication exchanges
AU447380B2 (en) Improvements in or relating to telephone stations
CA848521A (en) Telephone arrangement
CA841707A (en) Telephone foreign exchange system
CA855887A (en) Range extension equipment in step-by-step telephone systems
AU424795B2 (en) Improvements in linking equipment between telephone exchanges
CA930852A (en) Telecommunication exchange system
CA913819A (en) Telephone anti-sidetone circuit
CA833680A (en) Telephone apparatus
AU446594B2 (en) Telephone subset