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AU279181B2 - Intercommunication system with voice frequency key dialling - Google Patents
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AU279181B2 - Intercommunication system with voice frequency key dialling - Google Patents

Intercommunication system with voice frequency key dialling

Info

Publication number
AU279181B2
AU279181B2 AU44199/64A AU4419964A AU279181B2 AU 279181 B2 AU279181 B2 AU 279181B2 AU 44199/64 A AU44199/64 A AU 44199/64A AU 4419964 A AU4419964 A AU 4419964A AU 279181 B2 AU279181 B2 AU 279181B2
Authority
AU
Australia
Prior art keywords
voice frequency
intercommunication system
frequency key
dialling
key dialling
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
AU44199/64A
Other versions
AU4419964A (en
Inventor
Rabmig Gunther
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU4419964A publication Critical patent/AU4419964A/en
Publication of AU279181B2 publication Critical patent/AU279181B2/en
Expired legal-status Critical Current

Links

AU44199/64A 1964-05-07 Intercommunication system with voice frequency key dialling Expired AU279181B2 (en)

Publications (2)

Publication Number Publication Date
AU4419964A AU4419964A (en) 1965-11-11
AU279181B2 true AU279181B2 (en) 1965-11-11

Family

ID=

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