CA629175A - Toll telephone system - Google Patents

Toll telephone system

Info

Publication number
CA629175A
CA629175A CA629175A CA629175DA CA629175A CA 629175 A CA629175 A CA 629175A CA 629175 A CA629175 A CA 629175A CA 629175D A CA629175D A CA 629175DA CA 629175 A CA629175 A CA 629175A
Authority
CA
Canada
Prior art keywords
telephone system
toll telephone
toll
telephone
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
CA629175A
Inventor
E. Lomax Clarence
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA629175A publication Critical patent/CA629175A/en
Expired legal-status Critical Current

Links

CA629175A Toll telephone system Expired CA629175A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA629175T

Publications (1)

Publication Number Publication Date
CA629175A true CA629175A (en) 1961-10-17

Family

ID=35885308

Family Applications (1)

Application Number Title Priority Date Filing Date
CA629175A Expired CA629175A (en) Toll telephone system

Country Status (1)

Country Link
CA (1) CA629175A (en)

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