AU5192369A - Circuit arrangement for telephone private branch exchanges with several exchanges which canbe connected together through tie lines - Google Patents

Circuit arrangement for telephone private branch exchanges with several exchanges which canbe connected together through tie lines

Info

Publication number
AU5192369A
AU5192369A AU51923/69A AU5192369A AU5192369A AU 5192369 A AU5192369 A AU 5192369A AU 51923/69 A AU51923/69 A AU 51923/69A AU 5192369 A AU5192369 A AU 5192369A AU 5192369 A AU5192369 A AU 5192369A
Authority
AU
Australia
Prior art keywords
exchanges
connected together
circuit arrangement
private branch
tie lines
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
AU51923/69A
Inventor
Ackermann Friedrich
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
Publication of AU5192369A publication Critical patent/AU5192369A/en
Expired legal-status Critical Current

Links

AU51923/69A 1968-03-28 1969-03-14 Circuit arrangement for telephone private branch exchanges with several exchanges which canbe connected together through tie lines Expired AU5192369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEDE8.17.62. 1968-03-28

Publications (1)

Publication Number Publication Date
AU5192369A true AU5192369A (en) 1970-09-17

Family

ID=

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