CA2052858A1 - Digital telecommunications system - Google Patents

Digital telecommunications system

Info

Publication number
CA2052858A1
CA2052858A1 CA 2052858 CA2052858A CA2052858A1 CA 2052858 A1 CA2052858 A1 CA 2052858A1 CA 2052858 CA2052858 CA 2052858 CA 2052858 A CA2052858 A CA 2052858A CA 2052858 A1 CA2052858 A1 CA 2052858A1
Authority
CA
Canada
Prior art keywords
subscriber station
code
calling
subscriber
telecommunications system
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.)
Abandoned
Application number
CA 2052858
Other languages
English (en)
French (fr)
Inventor
Wolfgang Dey
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.)
Alcatel Lucent NV
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2052858A1 publication Critical patent/CA2052858A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/424Arrangements for automatic redialling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/48Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2201/00Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/36Memories
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2242/00Special services or facilities
    • H04M2242/22Automatic class or number identification arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/42025Calling or Called party identification service
    • H04M3/42034Calling party identification service
    • H04M3/42059Making use of the calling party identifier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/72Finding out and indicating number of calling subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
CA 2052858 1990-10-08 1991-10-07 Digital telecommunications system Abandoned CA2052858A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904031857 DE4031857A1 (de) 1990-10-08 1990-10-08 Digitale telekommunikationsanlage
DEP4031857.5 1990-10-08

Publications (1)

Publication Number Publication Date
CA2052858A1 true CA2052858A1 (en) 1992-04-09

Family

ID=6415841

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2052858 Abandoned CA2052858A1 (en) 1990-10-08 1991-10-07 Digital telecommunications system

Country Status (4)

Country Link
EP (1) EP0480233A2 (cg-RX-API-DMAC7.html)
JP (1) JPH04264867A (cg-RX-API-DMAC7.html)
CA (1) CA2052858A1 (cg-RX-API-DMAC7.html)
DE (1) DE4031857A1 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2126897C (en) * 1993-09-01 1998-09-22 Anthony R. Dipierro, Jr. Telephone call notification feature
US5533100A (en) * 1994-07-29 1996-07-02 At&T Corp. Communications system call complete arrangement
US6782268B1 (en) 1998-06-23 2004-08-24 Lucent Technologies Inc. Method and apparatus for tracking call history for mobile and wireline users accessing the network on different ports for subsequent calls

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829259A (ja) * 1981-08-17 1983-02-21 Hitachi Ltd 発呼者呼出方式
JPS60144063A (ja) * 1984-01-06 1985-07-30 Nec Corp 再呼び出し方式
JPS62171363A (ja) * 1986-01-24 1987-07-28 Nec Corp 呼返し接続方式
DE3910485B4 (de) * 1989-03-31 2007-12-20 Siemens Ag Verfahren zur automatischen Durchschaltung einer Verbindung zwischen zwei Endgeräten einer Fernsprechanlage

Also Published As

Publication number Publication date
EP0480233A3 (cg-RX-API-DMAC7.html) 1994-01-12
EP0480233A2 (de) 1992-04-15
DE4031857A1 (de) 1992-04-09
JPH04264867A (ja) 1992-09-21

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Legal Events

Date Code Title Description
FZDE Dead