DE69229092D1 - Reihenanlage mit virtuellen privaten Leitungen - Google Patents

Reihenanlage mit virtuellen privaten Leitungen

Info

Publication number
DE69229092D1
DE69229092D1 DE69229092T DE69229092T DE69229092D1 DE 69229092 D1 DE69229092 D1 DE 69229092D1 DE 69229092 T DE69229092 T DE 69229092T DE 69229092 T DE69229092 T DE 69229092T DE 69229092 D1 DE69229092 D1 DE 69229092D1
Authority
DE
Germany
Prior art keywords
virtual private
row system
private lines
lines
row
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 - Lifetime
Application number
DE69229092T
Other languages
English (en)
Other versions
DE69229092T2 (de
Inventor
John M Cotton
Neil C Olsen
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.)
IPC Information Systems Inc
Original Assignee
IPC Information Systems 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 IPC Information Systems Inc filed Critical IPC Information Systems Inc
Application granted granted Critical
Publication of DE69229092D1 publication Critical patent/DE69229092D1/de
Publication of DE69229092T2 publication Critical patent/DE69229092T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0471—Terminal access circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/009—Arrangements for interconnection between switching centres in systems involving PBX or KTS networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
DE69229092T 1991-09-26 1992-09-25 Reihenanlage mit virtuellen privaten Leitungen Expired - Lifetime DE69229092T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/766,648 US5214691A (en) 1991-09-26 1991-09-26 Key telephone system with virtual private lines

Publications (2)

Publication Number Publication Date
DE69229092D1 true DE69229092D1 (de) 1999-06-10
DE69229092T2 DE69229092T2 (de) 2000-01-05

Family

ID=25077094

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229092T Expired - Lifetime DE69229092T2 (de) 1991-09-26 1992-09-25 Reihenanlage mit virtuellen privaten Leitungen

Country Status (4)

Country Link
US (2) US5214691A (de)
EP (1) EP0534783B1 (de)
JP (1) JP3370357B2 (de)
DE (1) DE69229092T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5440644A (en) * 1991-01-09 1995-08-08 Square D Company Audio distribution system having programmable zoning features
PL174557B1 (pl) * 1993-03-05 1998-08-31 At & T Corp Urządzenie połączeniowe do identyfikacji końcowego numeru dyrektorskiego w siedzibie klienta
TW271525B (de) * 1994-05-23 1996-03-01 Ericsson Telefon Ab L M
US5771283A (en) * 1995-10-26 1998-06-23 Lucent Technologies Inc. Method for delivering enhanced caller identification service in a telecommunications network
JP3788673B2 (ja) * 1997-09-17 2006-06-21 株式会社日立コミュニケーションテクノロジー メールシステム
US6393106B1 (en) * 1998-04-08 2002-05-21 Agere Systems Guardian Corp. Telephone answering device which records voice message of third party caller
AU5516600A (en) * 1999-06-11 2001-01-02 Nortel Networks Limited Method and apparatus allowing remote key system units to interoperate
CA2274205A1 (en) 1999-06-11 2000-12-11 Nortel Networks Corporation Method and apparatus for providing interoperability between remote key system units
US7530491B2 (en) * 2003-01-03 2009-05-12 American Express Travel Related Services Company, Inc. Metal-containing transaction card and method of making the same
US8033457B2 (en) * 2003-01-03 2011-10-11 American Express Travel Related Services Company, Inc. Metal-containing transaction card and method of making the same

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2045248A5 (de) * 1969-06-27 1971-02-26 Cit Alcatel
US3843845A (en) * 1972-09-11 1974-10-22 Northern Electric Co Electronic key telephone system
US4173713A (en) * 1977-02-07 1979-11-06 International Telephone & Telegraph Corporation Continuously expandable switching network
US4201891A (en) * 1978-03-17 1980-05-06 International Telephone And Telegraph Corporation Expandable digital switching network
US4317962A (en) * 1977-03-02 1982-03-02 International Telephone And Telegraph Corporation Distributed control for digital switching system
US4201889A (en) * 1978-03-17 1980-05-06 International Telephone And Telegraph Distributed control digital switching system
US4142069A (en) * 1977-06-20 1979-02-27 The United States Of America As Represented By The Secretary Of The Army Time reference distribution technique
US4998275A (en) * 1984-12-19 1991-03-05 Contel, Ipc, Inc. Multi-line telephone communications system
US4644528A (en) * 1985-02-07 1987-02-17 At&T Bell Laboratories Terminating port determination in a distributed control switching system using a distributed database
EP0215526B1 (de) * 1985-09-19 1991-05-08 BELL TELEPHONE MANUFACTURING COMPANY Naamloze Vennootschap Datenübertragungssystem
US4720850A (en) * 1986-03-14 1988-01-19 American Telephone And Telegraph Company At&T Bell Laboratories Communication system control arrangement
US4736393A (en) * 1986-04-16 1988-04-05 American Telephone And Telegraph Co., At&T Information Systems, Inc. Distributed timing control for a distributed digital communication system
US4825433A (en) * 1986-12-08 1989-04-25 Dsc Communications Corporation Digital bridge for a time slot interchange digital switched matrix
BE905982A (fr) * 1986-12-19 1987-06-19 Electronique Et Telecomm Bell Reseau de commutation de paquets.
DE3702614A1 (de) * 1987-01-29 1988-08-11 Standard Elektrik Lorenz Ag Digitales koppelnetz fuer leitungs- und paketvermittlung und koppeleinrichtung hierzu
BE1000415A7 (nl) * 1987-03-18 1988-11-22 Bell Telephone Mfg Asynchroon op basis van tijdsverdeling werkend communicatiesysteem.
JP2865692B2 (ja) * 1989-02-22 1999-03-08 株式会社日立製作所 スイッチングシステム及びその構成方法
BE1000512A7 (nl) * 1987-05-07 1989-01-10 Bell Telephone Mfg Schakelnetwerk.
US4805166A (en) * 1987-10-28 1989-02-14 American Telephone And Telegraph Company, At&T Bell Laboratories Switch path reservation arrangement
US4894822A (en) * 1987-11-24 1990-01-16 AT&T Information Systems American Telephone and Telegraph Company Fast packetized data delivery for digital networks
US4850012A (en) * 1987-12-16 1989-07-18 Dytel Corporation Automated access facilities for use with key telephone systems
ATE91576T1 (de) * 1988-05-28 1993-07-15 Alcatel Nv Uebertragungssysteme und vermittlungselement zur verwendung darin.
US5109405A (en) * 1988-07-11 1992-04-28 Dytel Corporation Automated call screening
DE3888699T2 (de) * 1988-10-03 1994-07-21 Alcatel Nv Nachrichten-vermittlungselement.
JP2889249B2 (ja) * 1988-10-24 1999-05-10 キヤノン株式会社 通信装置
IE883885L (en) * 1988-12-29 1990-06-29 Mcdaid Denis Telephone lock
US4939752A (en) * 1989-05-31 1990-07-03 At&T Company Distributed timing recovery for a distributed communication system
JP2732674B2 (ja) * 1989-07-10 1998-03-30 株式会社東芝 データ伝送装置
US4982421A (en) * 1989-10-27 1991-01-01 At&T Bell Laboratories Virtual private line service
FR2659819B1 (fr) * 1990-03-14 1992-05-29 Alcatel Nv Reseau de commutation a trajets multiples et a autoacheminement pour la commutation de cellules a multiplexage temporel asynchrone.
US5068877A (en) * 1990-04-02 1991-11-26 At&T Bell Laboratories Method for synchronizing interconnected digital equipment
US5046086A (en) * 1990-04-11 1991-09-03 Contel Ipc, Inc. Page-mapped multi-line telephone communication system
US5115425A (en) * 1990-05-31 1992-05-19 At&T Bell Laboratories Switching system reliability
US5276678A (en) * 1990-06-18 1994-01-04 Intelect, Inc. Distributed switching and telephone conferencing system
US5127001A (en) * 1990-06-22 1992-06-30 Unisys Corporation Conference call arrangement for distributed network
US5140585A (en) * 1990-07-19 1992-08-18 Kabushiki Kaisha Toshiba Star local-area network system
US5119366A (en) * 1990-12-14 1992-06-02 At&T Bell Laboratories Call processing method for distributed switching
US5237571A (en) * 1991-09-26 1993-08-17 Ipc Information Systems, Inc. Broadcast system for distributed switching network

Also Published As

Publication number Publication date
USRE36354E (en) 1999-10-26
DE69229092T2 (de) 2000-01-05
US5214691A (en) 1993-05-25
EP0534783A3 (en) 1993-12-29
JP3370357B2 (ja) 2003-01-27
EP0534783B1 (de) 1999-05-06
EP0534783A2 (de) 1993-03-31
JPH05308427A (ja) 1993-11-19

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