AU261675B2 - Called - line tone signalling system - Google Patents

Called - line tone signalling system

Info

Publication number
AU261675B2
AU261675B2 AU5857/61A AU585761A AU261675B2 AU 261675 B2 AU261675 B2 AU 261675B2 AU 5857/61 A AU5857/61 A AU 5857/61A AU 585761 A AU585761 A AU 585761A AU 261675 B2 AU261675 B2 AU 261675B2
Authority
AU
Australia
Prior art keywords
called
signalling system
line tone
tone signalling
line
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
AU5857/61A
Other versions
AU585761A (en
Inventor
Willis Hemminger Paul
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 AU261675B2 publication Critical patent/AU261675B2/en
Publication of AU585761A publication Critical patent/AU585761A/en
Expired legal-status Critical Current

Links

AU5857/61A 1981-06-16 Called - line tone signalling system Expired AU261675B2 (en)

Publications (2)

Publication Number Publication Date
AU261675B2 true AU261675B2 (en) 1983-05-02
AU585761A AU585761A (en) 1983-05-02

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU644951B2 (en) * 1991-04-16 1993-12-23 Telecom Technologies Pty Ltd Call tone analyser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU644951B2 (en) * 1991-04-16 1993-12-23 Telecom Technologies Pty Ltd Call tone analyser

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