CA777268A - Apparatus for testing telephone switching systems - Google Patents

Apparatus for testing telephone switching systems

Info

Publication number
CA777268A
CA777268A CA777268A CA777268DA CA777268A CA 777268 A CA777268 A CA 777268A CA 777268 A CA777268 A CA 777268A CA 777268D A CA777268D A CA 777268DA CA 777268 A CA777268 A CA 777268A
Authority
CA
Canada
Prior art keywords
telephone switching
switching systems
testing telephone
testing
systems
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
CA777268A
Inventor
G. Edwards Joseph
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 CA777268A publication Critical patent/CA777268A/en
Expired legal-status Critical Current

Links

CA777268A Apparatus for testing telephone switching systems Expired CA777268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA777268T

Publications (1)

Publication Number Publication Date
CA777268A true CA777268A (en) 1968-01-30

Family

ID=36224572

Family Applications (1)

Application Number Title Priority Date Filing Date
CA777268A Expired CA777268A (en) Apparatus for testing telephone switching systems

Country Status (1)

Country Link
CA (1) CA777268A (en)

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