CA1035479A - Telephone message timing system - Google Patents

Telephone message timing system

Info

Publication number
CA1035479A
CA1035479A CA236,513A CA236513A CA1035479A CA 1035479 A CA1035479 A CA 1035479A CA 236513 A CA236513 A CA 236513A CA 1035479 A CA1035479 A CA 1035479A
Authority
CA
Canada
Prior art keywords
timing system
telephone message
message timing
telephone
timing
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
CA236,513A
Other languages
French (fr)
Inventor
Robert B. Curtis
Nelson A. Riedel
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
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1035479A publication Critical patent/CA1035479A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
CA236,513A 1974-10-21 1975-09-26 Telephone message timing system Expired CA1035479A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/516,624 US3934090A (en) 1974-10-21 1974-10-21 Telephone message timing system

Publications (1)

Publication Number Publication Date
CA1035479A true CA1035479A (en) 1978-07-25

Family

ID=24056408

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236,513A Expired CA1035479A (en) 1974-10-21 1975-09-26 Telephone message timing system

Country Status (2)

Country Link
US (1) US3934090A (en)
CA (1) CA1035479A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058680A (en) * 1976-12-06 1977-11-15 Bell Telephone Laboratories, Incorporated Telephone message timing system
CA2171493C (en) * 1995-04-21 1999-12-28 Andrew Thomas Schnable Method for selecting ama records using individual directory numbers
US7072641B2 (en) * 2002-03-19 2006-07-04 Sprint Spectrum L.P. Reactive management of dropped calls in a wireless communication system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599358A (en) * 1948-10-29 1952-06-03 Bell Telephone Labor Inc Call data recording automatic telephone system
US3551599A (en) * 1968-04-26 1970-12-29 Bell Telephone Labor Inc Automatic message accounting system to insure that trunks desiring to be identified for timing purposes will not be deprived of access to the identifier by trunks desiring to have an initial entry recorded
US3806652A (en) * 1971-06-21 1974-04-23 Information Flow Inc Elapsed-time telephone monitor system
US3812293A (en) * 1973-01-02 1974-05-21 Gte Automatic Electric Lab Inc Arrangement for providing priority override of billing buffer entry selector

Also Published As

Publication number Publication date
US3934090A (en) 1976-01-20

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