AU4231368A - Circuit arrangement for private branch exchanges with exchanges connected together through tie lines - Google Patents

Circuit arrangement for private branch exchanges with exchanges connected together through tie lines

Info

Publication number
AU4231368A
AU4231368A AU42313/68A AU4231368A AU4231368A AU 4231368 A AU4231368 A AU 4231368A AU 42313/68 A AU42313/68 A AU 42313/68A AU 4231368 A AU4231368 A AU 4231368A AU 4231368 A AU4231368 A AU 4231368A
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
AU42313/68A
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 AU4231368A publication Critical patent/AU4231368A/en
Expired legal-status Critical Current

Links

AU42313/68A 1967-08-25 1968-08-20 Circuit arrangement for private branch exchanges with exchanges connected together through tie lines Expired AU4231368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEDE34649 1967-08-25

Publications (1)

Publication Number Publication Date
AU4231368A true AU4231368A (en) 1970-02-26

Family

ID=

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