CA751000A - Central office multicustomer private branch exchange system - Google Patents

Central office multicustomer private branch exchange system

Info

Publication number
CA751000A
CA751000A CA751000A CA751000DA CA751000A CA 751000 A CA751000 A CA 751000A CA 751000 A CA751000 A CA 751000A CA 751000D A CA751000D A CA 751000DA CA 751000 A CA751000 A CA 751000A
Authority
CA
Canada
Prior art keywords
multicustomer
exchange system
central office
private branch
branch 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
CA751000A
Inventor
R. Fisher Donald
J. Gesing Eugene
H. Koster Frederick
J. Kowalinski Raymond
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 CA751000A publication Critical patent/CA751000A/en
Expired legal-status Critical Current

Links

CA751000A Central office multicustomer private branch exchange system Expired CA751000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA751000T

Publications (1)

Publication Number Publication Date
CA751000A true CA751000A (en) 1967-01-17

Family

ID=36185357

Family Applications (1)

Application Number Title Priority Date Filing Date
CA751000A Expired CA751000A (en) Central office multicustomer private branch exchange system

Country Status (1)

Country Link
CA (1) CA751000A (en)

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