CA565967A - Systemes de telephone a commutation d'appels interurbains - Google Patents

Systemes de telephone a commutation d'appels interurbains

Info

Publication number
CA565967A
CA565967A CA565967A CA565967DA CA565967A CA 565967 A CA565967 A CA 565967A CA 565967 A CA565967 A CA 565967A CA 565967D A CA565967D A CA 565967DA CA 565967 A CA565967 A CA 565967A
Authority
CA
Canada
Prior art keywords
telephone systems
switching telephone
toll switching
toll
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
CA565967A
Other languages
English (en)
Inventor
W. Balzer Harvey
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.)
General Telephone Laboratories Inc
Original Assignee
General Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA565967A publication Critical patent/CA565967A/fr
Expired legal-status Critical Current

Links

CA565967A Systemes de telephone a commutation d'appels interurbains Expired CA565967A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA565967T

Publications (1)

Publication Number Publication Date
CA565967A true CA565967A (fr) 1958-11-11

Family

ID=35738479

Family Applications (1)

Application Number Title Priority Date Filing Date
CA565967A Expired CA565967A (fr) Systemes de telephone a commutation d'appels interurbains

Country Status (1)

Country Link
CA (1) CA565967A (fr)

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