CA633312A - Toll switching telephone system - Google Patents

Toll switching telephone system

Info

Publication number
CA633312A
CA633312A CA633312A CA633312DA CA633312A CA 633312 A CA633312 A CA 633312A CA 633312 A CA633312 A CA 633312A CA 633312D A CA633312D A CA 633312DA CA 633312 A CA633312 A CA 633312A
Authority
CA
Canada
Prior art keywords
telephone system
switching telephone
toll switching
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
CA633312A
Inventor
W. Gooderham John
Jacobitti Edward
Myers Oscar
F. Shipley Frank
B. Strickler Walter
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA633312A publication Critical patent/CA633312A/en
Expired legal-status Critical Current

Links

CA633312A Toll switching telephone system Expired CA633312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA633312T

Publications (1)

Publication Number Publication Date
CA633312A true CA633312A (en) 1961-12-26

Family

ID=35889467

Family Applications (1)

Application Number Title Priority Date Filing Date
CA633312A Expired CA633312A (en) Toll switching telephone system

Country Status (1)

Country Link
CA (1) CA633312A (en)

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