CA209355A - Systeme telephonique a service mesure - Google Patents

Systeme telephonique a service mesure

Info

Publication number
CA209355A
CA209355A CA209355A CA209355DA CA209355A CA 209355 A CA209355 A CA 209355A CA 209355 A CA209355 A CA 209355A CA 209355D A CA209355D A CA 209355DA CA 209355 A CA209355 A CA 209355A
Authority
CA
Canada
Prior art keywords
telephone system
measured service
service telephone
measured
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
CA209355A
Other languages
English (en)
Inventor
Wicks John
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA209355A publication Critical patent/CA209355A/fr
Expired legal-status Critical Current

Links

CA209355A Systeme telephonique a service mesure Expired CA209355A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA209355T

Publications (1)

Publication Number Publication Date
CA209355A true CA209355A (fr) 1921-03-08

Family

ID=35103134

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209355A Expired CA209355A (fr) Systeme telephonique a service mesure

Country Status (1)

Country Link
CA (1) CA209355A (fr)

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