GB1417654A - Telephone accounting equipment - Google Patents

Telephone accounting equipment

Info

Publication number
GB1417654A
GB1417654A GB2036773A GB2036773A GB1417654A GB 1417654 A GB1417654 A GB 1417654A GB 2036773 A GB2036773 A GB 2036773A GB 2036773 A GB2036773 A GB 2036773A GB 1417654 A GB1417654 A GB 1417654A
Authority
GB
United Kingdom
Prior art keywords
data
control
core
call
core memory
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
GB2036773A
Other languages
English (en)
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1417654A publication Critical patent/GB1417654A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Meter Arrangements (AREA)
GB2036773A 1972-05-08 1973-04-30 Telephone accounting equipment Expired GB1417654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25130672A 1972-05-08 1972-05-08

Publications (1)

Publication Number Publication Date
GB1417654A true GB1417654A (en) 1975-12-10

Family

ID=22951370

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2036773A Expired GB1417654A (en) 1972-05-08 1973-04-30 Telephone accounting equipment

Country Status (3)

Country Link
US (1) US3770893A (enExample)
FR (1) FR2183926B3 (enExample)
GB (1) GB1417654A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956592A (en) * 1974-09-09 1976-05-11 Stromberg-Carlson Corporation Automatic toll ticketing
US3944746A (en) * 1975-02-24 1976-03-16 Bell Telephone Laboratories Incorporated Collecting switching system call data
US4332982A (en) * 1980-09-05 1982-06-01 Ident-A-Call, Inc. Telephone toll call security and logging device and method
US6611946B1 (en) * 1999-10-14 2003-08-26 Synopsys, Inc. Method and system for automatic generation of DRC rules with just in time definition of derived layers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160709A (en) * 1959-03-30 1964-12-08 Cons Systems Corp Telephone call accounting system
US3651269A (en) * 1968-11-27 1972-03-21 Int Standard Electric Corp Accounting system for telephone exchanges
US3697695A (en) * 1970-12-09 1972-10-10 Uwe A Pommerening Call metering for telephone exchange

Also Published As

Publication number Publication date
FR2183926A1 (enExample) 1973-12-21
US3770893A (en) 1973-11-06
FR2183926B3 (enExample) 1976-04-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees