AU6920274A - Line identifying system of common control type automatic exchange - Google Patents

Line identifying system of common control type automatic exchange

Info

Publication number
AU6920274A
AU6920274A AU69202/74A AU6920274A AU6920274A AU 6920274 A AU6920274 A AU 6920274A AU 69202/74 A AU69202/74 A AU 69202/74A AU 6920274 A AU6920274 A AU 6920274A AU 6920274 A AU6920274 A AU 6920274A
Authority
AU
Australia
Prior art keywords
common control
control type
type automatic
identifying system
automatic 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
AU69202/74A
Other versions
AU478898B2 (en
Inventor
and HIROTAKA USUDA HIROTOSHISHIRASU
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of AU478898B2 publication Critical patent/AU478898B2/en
Publication of AU6920274A publication Critical patent/AU6920274A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0029—Provisions for intelligent networking
    • H04Q3/0041—Provisions for intelligent networking involving techniques for avoiding interaction of call service features

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
AU69202/74A 1973-05-22 1974-05-21 Line identifying system of common control type automatic exchange Expired AU478898B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5626973A JPS5317362B2 (en) 1973-05-22 1973-05-22
JPJP56269/73 1973-05-22

Publications (2)

Publication Number Publication Date
AU478898B2 AU478898B2 (en) 1975-11-27
AU6920274A true AU6920274A (en) 1975-11-27

Family

ID=

Also Published As

Publication number Publication date
JPS509306A (en) 1975-01-30
JPS5317362B2 (en) 1978-06-08
SE413968B (en) 1980-06-30

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