CA707860A - Class of service telephone system - Google Patents

Class of service telephone system

Info

Publication number
CA707860A
CA707860A CA707860A CA707860DA CA707860A CA 707860 A CA707860 A CA 707860A CA 707860 A CA707860 A CA 707860A CA 707860D A CA707860D A CA 707860DA CA 707860 A CA707860 A CA 707860A
Authority
CA
Canada
Prior art keywords
class
telephone system
service telephone
service
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
CA707860A
Inventor
G. Platt Eric
Ke-Chin Yuan William
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.)
ITT Canada Ltd
Original Assignee
ITT Canada Ltd
Publication date
Application granted granted Critical
Publication of CA707860A publication Critical patent/CA707860A/en
Expired legal-status Critical Current

Links

CA707860A Class of service telephone system Expired CA707860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA707860T

Publications (1)

Publication Number Publication Date
CA707860A true CA707860A (en) 1965-04-13

Family

ID=36021546

Family Applications (1)

Application Number Title Priority Date Filing Date
CA707860A Expired CA707860A (en) Class of service telephone system

Country Status (1)

Country Link
CA (1) CA707860A (en)

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