CA887333A - Telephone switching system - Google Patents

Telephone switching system

Info

Publication number
CA887333A
CA887333A CA887333A CA887333DA CA887333A CA 887333 A CA887333 A CA 887333A CA 887333 A CA887333 A CA 887333A CA 887333D A CA887333D A CA 887333DA CA 887333 A CA887333 A CA 887333A
Authority
CA
Canada
Prior art keywords
switching system
telephone switching
telephone
switching
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
CA887333A
Inventor
Edward J. Wilkens, Jr.
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 CA887333A publication Critical patent/CA887333A/en
Expired legal-status Critical Current

Links

CA887333A Telephone switching system Expired CA887333A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA887333T

Publications (1)

Publication Number Publication Date
CA887333A true CA887333A (en) 1971-11-30

Family

ID=36393577

Family Applications (1)

Application Number Title Priority Date Filing Date
CA887333A Expired CA887333A (en) Telephone switching system

Country Status (1)

Country Link
CA (1) CA887333A (en)

Similar Documents

Publication Publication Date Title
CA968479A (en) Telephone answering system
CA969261A (en) Time division switching system
AU445513B2 (en) Speech-controlled switching arrangement
CA936981A (en) Telephone answering system
CA957076A (en) Speech-controlled switching arrangement
CA998150A (en) Telephone switching system
CA1020654A (en) Telephone exchanges
CA996192A (en) Telecommunication systems
AU464290B2 (en) Remote switching system
AU456008B2 (en) Switching system
CA887333A (en) Telephone switching system
CA870835A (en) Telephone switching system
AU458841B2 (en) Telephone system
CA874110A (en) Switching system
CA881166A (en) Conference switching system
CA844063A (en) Telephone switching system
CA878160A (en) Telecommunication system
CA881198A (en) Telecommunication system
AU465604B2 (en) Switching network
CA873032A (en) Switching network
CA873033A (en) Switching network
CA874671A (en) Switching network
CA865229A (en) Telephone answering system
CA960390A (en) Telecommunications systems
CA888420A (en) Telecommunication systems