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AU238198B2 - Improvements in or relating to call metering in telephone systems - Google Patents

Improvements in or relating to call metering in telephone systems

Info

Publication number
AU238198B2
AU238198B2 AU48358/59A AU4835859A AU238198B2 AU 238198 B2 AU238198 B2 AU 238198B2 AU 48358/59 A AU48358/59 A AU 48358/59A AU 4835859 A AU4835859 A AU 4835859A AU 238198 B2 AU238198 B2 AU 238198B2
Authority
AU
Australia
Prior art keywords
relating
telephone systems
call metering
metering
call
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
AU48358/59A
Other versions
AU4835859A (en
Inventor
Ronald Greer and John Montgomery Robins Thomas Harold Clark
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.)
British Telecommunications Research Ltd
Original Assignee
British Telecommunications Research Ltd
Filing date
Publication date
Application filed by British Telecommunications Research Ltd filed Critical British Telecommunications Research Ltd
Application granted granted Critical
Publication of AU238198B2 publication Critical patent/AU238198B2/en
Publication of AU4835859A publication Critical patent/AU4835859A/en
Expired legal-status Critical Current

Links

AU48358/59A 1959-04-29 Improvements in or relating to call metering in telephone systems Expired AU238198B2 (en)

Publications (2)

Publication Number Publication Date
AU238198B2 true AU238198B2 (en) 1959-10-29
AU4835859A AU4835859A (en) 1959-10-29

Family

ID=

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