CA692497A - Signalling methods between subscribers' sets and exchange - Google Patents

Signalling methods between subscribers' sets and exchange

Info

Publication number
CA692497A
CA692497A CA692497A CA692497DA CA692497A CA 692497 A CA692497 A CA 692497A CA 692497 A CA692497 A CA 692497A CA 692497D A CA692497D A CA 692497DA CA 692497 A CA692497 A CA 692497A
Authority
CA
Canada
Prior art keywords
subscribers
exchange
sets
signalling methods
signalling
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
CA692497A
Inventor
C. Beadle Anthony
G. Knight Ronald
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.)
Standard Telephone and Cables Manufacturing Canada Ltd
Original Assignee
Standard Telephone and Cables Manufacturing Canada Ltd
Publication date
Application granted granted Critical
Publication of CA692497A publication Critical patent/CA692497A/en
Expired legal-status Critical Current

Links

CA692497A Signalling methods between subscribers' sets and exchange Expired CA692497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA692497T

Publications (1)

Publication Number Publication Date
CA692497A true CA692497A (en) 1964-08-11

Family

ID=36002735

Family Applications (1)

Application Number Title Priority Date Filing Date
CA692497A Expired CA692497A (en) Signalling methods between subscribers' sets and exchange

Country Status (1)

Country Link
CA (1) CA692497A (en)

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