CA1026446A - Method of providing dialtone first on step by step telephone systems - Google Patents

Method of providing dialtone first on step by step telephone systems

Info

Publication number
CA1026446A
CA1026446A CA210,325A CA210325A CA1026446A CA 1026446 A CA1026446 A CA 1026446A CA 210325 A CA210325 A CA 210325A CA 1026446 A CA1026446 A CA 1026446A
Authority
CA
Canada
Prior art keywords
dialtone
providing
telephone systems
systems
step 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
CA210,325A
Other languages
French (fr)
Other versions
CA210325S (en
Inventor
Ramaswami Bashyam
Henk A. Degraauw
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Priority to CA210,325A priority Critical patent/CA1026446A/en
Application granted granted Critical
Publication of CA1026446A publication Critical patent/CA1026446A/en
Expired legal-status Critical Current

Links

CA210,325A 1974-09-30 1974-09-30 Method of providing dialtone first on step by step telephone systems Expired CA1026446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA210,325A CA1026446A (en) 1974-09-30 1974-09-30 Method of providing dialtone first on step by step telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA210,325A CA1026446A (en) 1974-09-30 1974-09-30 Method of providing dialtone first on step by step telephone systems

Publications (1)

Publication Number Publication Date
CA1026446A true CA1026446A (en) 1978-02-14

Family

ID=4101244

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,325A Expired CA1026446A (en) 1974-09-30 1974-09-30 Method of providing dialtone first on step by step telephone systems

Country Status (1)

Country Link
CA (1) CA1026446A (en)

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