CA692063A - Conference circuit for telephone switching systems - Google Patents

Conference circuit for telephone switching systems

Info

Publication number
CA692063A
CA692063A CA692063A CA692063DA CA692063A CA 692063 A CA692063 A CA 692063A CA 692063 A CA692063 A CA 692063A CA 692063D A CA692063D A CA 692063DA CA 692063 A CA692063 A CA 692063A
Authority
CA
Canada
Prior art keywords
telephone switching
switching systems
conference circuit
conference
circuit
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
CA692063A
Inventor
Zarouni Alfred
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 CA692063A publication Critical patent/CA692063A/en
Expired legal-status Critical Current

Links

CA692063A Conference circuit for telephone switching systems Expired CA692063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA692063T

Publications (1)

Publication Number Publication Date
CA692063A true CA692063A (en) 1964-08-04

Family

ID=36002294

Family Applications (1)

Application Number Title Priority Date Filing Date
CA692063A Expired CA692063A (en) Conference circuit for telephone switching systems

Country Status (1)

Country Link
CA (1) CA692063A (en)

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