AU154403B2 - Voice frequency dialing and signaling - Google Patents

Voice frequency dialing and signaling

Info

Publication number
AU154403B2
AU154403B2 AU38224/50A AU3822450A AU154403B2 AU 154403 B2 AU154403 B2 AU 154403B2 AU 38224/50 A AU38224/50 A AU 38224/50A AU 3822450 A AU3822450 A AU 3822450A AU 154403 B2 AU154403 B2 AU 154403B2
Authority
AU
Australia
Prior art keywords
signaling
voice frequency
frequency dialing
dialing
voice
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
AU38224/50A
Other versions
AU3822450A (en
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Filing date
Publication date
Application filed by Automatic Electric Laboratories Inc filed Critical Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of AU3822450A publication Critical patent/AU3822450A/en
Publication of AU154403B2 publication Critical patent/AU154403B2/en
Expired legal-status Critical Current

Links

AU38224/50A 1950-11-21 Voice frequency dialing and signaling Expired AU154403B2 (en)

Publications (2)

Publication Number Publication Date
AU3822450A AU3822450A (en) 1951-01-25
AU154403B2 true AU154403B2 (en) 1951-01-25

Family

ID=

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