CA811778A - Telephone line concentrator priority call system - Google Patents

Telephone line concentrator priority call system

Info

Publication number
CA811778A
CA811778A CA811778A CA811778DA CA811778A CA 811778 A CA811778 A CA 811778A CA 811778 A CA811778 A CA 811778A CA 811778D A CA811778D A CA 811778DA CA 811778 A CA811778 A CA 811778A
Authority
CA
Canada
Prior art keywords
telephone line
call system
priority call
line concentrator
concentrator
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
CA811778A
Inventor
F. Clement George
W. Zebe Charles
Uberto K. Stagg, Jr.
B. Compton Harry
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 CA811778A publication Critical patent/CA811778A/en
Expired legal-status Critical Current

Links

CA811778A Telephone line concentrator priority call system Expired CA811778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA811778T

Publications (1)

Publication Number Publication Date
CA811778A true CA811778A (en) 1969-04-29

Family

ID=36282301

Family Applications (1)

Application Number Title Priority Date Filing Date
CA811778A Expired CA811778A (en) Telephone line concentrator priority call system

Country Status (1)

Country Link
CA (1) CA811778A (en)

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