CA838748A - Private branch exchange in-dialing - Google Patents

Private branch exchange in-dialing

Info

Publication number
CA838748A
CA838748A CA838748A CA838748DA CA838748A CA 838748 A CA838748 A CA 838748A CA 838748 A CA838748 A CA 838748A CA 838748D A CA838748D A CA 838748DA CA 838748 A CA838748 A CA 838748A
Authority
CA
Canada
Prior art keywords
dialing
private branch
branch exchange
private
exchange
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
CA838748A
Inventor
W. Kirby Ralph
C. Richards Philip
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 CA838748A publication Critical patent/CA838748A/en
Expired legal-status Critical Current

Links

CA838748A Private branch exchange in-dialing Expired CA838748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA838748T

Publications (1)

Publication Number Publication Date
CA838748A true CA838748A (en) 1970-04-07

Family

ID=36322945

Family Applications (1)

Application Number Title Priority Date Filing Date
CA838748A Expired CA838748A (en) Private branch exchange in-dialing

Country Status (1)

Country Link
CA (1) CA838748A (en)

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