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GB2138652B - Distributed pabx - Google Patents

Distributed pabx

Info

Publication number
GB2138652B
GB2138652B GB08311091A GB8311091A GB2138652B GB 2138652 B GB2138652 B GB 2138652B GB 08311091 A GB08311091 A GB 08311091A GB 8311091 A GB8311091 A GB 8311091A GB 2138652 B GB2138652 B GB 2138652B
Authority
GB
United Kingdom
Prior art keywords
pabx
distributed
distributed pabx
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
GB08311091A
Other versions
GB8311091D0 (en
GB2138652A (en
Inventor
Thomas Robert Meek
Martin Joesph Roantree
Michael David Ransom
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08311091A priority Critical patent/GB2138652B/en
Publication of GB8311091D0 publication Critical patent/GB8311091D0/en
Priority to ES531840A priority patent/ES8507700A1/en
Priority to CH2008/84A priority patent/CH664464A5/en
Publication of GB2138652A publication Critical patent/GB2138652A/en
Application granted granted Critical
Publication of GB2138652B publication Critical patent/GB2138652B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/16—WPBX [Wireless Private Branch Exchange]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/733—Cordless telephones with a plurality of base stations connected to a plurality of lines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB08311091A 1983-04-23 1983-04-23 Distributed pabx Expired GB2138652B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB08311091A GB2138652B (en) 1983-04-23 1983-04-23 Distributed pabx
ES531840A ES8507700A1 (en) 1983-04-23 1984-04-23 Distributed PABX
CH2008/84A CH664464A5 (en) 1983-04-23 1984-04-24 DECENTRALIZED AUTOMATIC HOME PHONE CONTROL PANEL.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08311091A GB2138652B (en) 1983-04-23 1983-04-23 Distributed pabx

Publications (3)

Publication Number Publication Date
GB8311091D0 GB8311091D0 (en) 1983-05-25
GB2138652A GB2138652A (en) 1984-10-24
GB2138652B true GB2138652B (en) 1986-04-23

Family

ID=10541585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08311091A Expired GB2138652B (en) 1983-04-23 1983-04-23 Distributed pabx

Country Status (3)

Country Link
CH (1) CH664464A5 (en)
ES (1) ES8507700A1 (en)
GB (1) GB2138652B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6014374A (en) 1985-03-20 2000-01-11 Interdigital Technology Corporation Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US6208630B1 (en) 1993-09-30 2001-03-27 Interdigital Technology Corporation Modulary clustered radiotelephone system

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR870004587A (en) * 1985-10-16 1987-05-11 엘리 와이스 Wireless local area network
CA1250900A (en) * 1986-11-18 1989-03-07 Northern Telecom Limited Private cellular system
GB2218597A (en) * 1988-05-12 1989-11-15 Plessey Co Plc Multichannel radio communication system
AT390702B (en) * 1988-05-20 1990-06-25 Siemens Ag Oesterreich CORDLESS TELEPHONE DEVICE
US5682256A (en) * 1988-11-11 1997-10-28 British Telecommunications Public Limited Company Communications system
GB8826476D0 (en) * 1988-11-11 1988-12-14 British Telecomm Communications system
DE3843565A1 (en) * 1988-12-23 1990-06-28 Standard Elektrik Lorenz Ag RADIO TELEPHONE SYSTEM IN THE FORM OF A PABX
NZ232224A (en) * 1989-01-27 1993-03-26 British Telecomm Alternate burst communication for cordless phones: bursts contain synchronisation information
CA2008900C (en) * 1989-04-04 1998-01-20 Ta-Shing Chu Optical fiber microcellular mobile radio
GB8913931D0 (en) * 1989-06-16 1989-08-02 Ferranti Creditphone Cordless pbx
DE4022929A1 (en) * 1990-07-19 1992-01-23 Hagenuk Telecom Gmbh DEVICE FOR TRAINING SUB-SYSTEMS
CA2052466C (en) * 1990-10-02 2001-05-08 Masayuki Sakamoto Method of handover and route diversity in mobile radio communication
US5068916A (en) * 1990-10-29 1991-11-26 International Business Machines Corporation Coordination of wireless medium among a plurality of base stations
US5802173A (en) * 1991-01-15 1998-09-01 Rogers Cable Systems Limited Radiotelephony system
FI96565C (en) * 1992-06-30 1996-07-10 Nokia Telecommunications Oy Mikrocellulärradionät
DE69301536T2 (en) * 1993-02-26 1996-07-04 Orbitel Mobile Communications Synchronization device for a variety of radio transmitters
JPH0775165A (en) * 1993-06-29 1995-03-17 Sony Corp Digital cordless telephone device
GB9316951D0 (en) * 1993-08-14 1993-09-29 Macnamee Robert J G Radio communication systems
US6330441B1 (en) * 1997-03-03 2001-12-11 Victor Company Of Japan, Ltd. Communication system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH527547A (en) * 1971-08-13 1972-08-31 Ibm Method for information transmission with a priority scheme in a time division multiplex message transmission system with a ring line
FR2328349A1 (en) * 1973-03-01 1977-05-13 Ibm France TIME DIVISION MULTIPLEX SWITCHING SYSTEM
FR2290103A1 (en) * 1974-10-31 1976-05-28 Thomson Csf TELEPHONE ARTERY WITH MULTIPLE ACCESS POINTS AND NETWORK INCLUDING SUCH ARTERIES
DE2659664C2 (en) * 1976-12-30 1979-04-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Message transmission arrangement for connecting several participants to a central exchange
DE3036707A1 (en) * 1980-09-29 1982-05-19 Siemens AG, 1000 Berlin und 8000 München UNIVERSAL MOBILE RADIO DIGITAL NETWORK FOR PACKAGE-SENT INFORMATION TRANSMISSION
DE3036739A1 (en) * 1980-09-29 1982-06-03 Siemens AG, 1000 Berlin und 8000 München TELEPHONE MOBILE RADIO SYSTEM FOR DIGITAL VOICE TRANSFER
US4383315A (en) * 1981-07-20 1983-05-10 Bell Telephone Laboratories, Incorporated Idle time slot seizure and transmission facilities for loop communication system
FR2520570A1 (en) * 1982-01-25 1983-07-29 Labo Cent Telecommunicat LOCAL LOOP COMMUNICATION NETWORK VEHICULATING BOTH DIGITAL TELEPHONE DATA AND SIGNALS IN DIGITAL FORM

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6014374A (en) 1985-03-20 2000-01-11 Interdigital Technology Corporation Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US6282180B1 (en) 1985-03-20 2001-08-28 Interdigital Technology Corporation Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US6393002B1 (en) 1985-03-20 2002-05-21 Interdigital Technology Corporation Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US6771667B2 (en) 1985-03-20 2004-08-03 Interdigital Technology Corporation Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US6842440B2 (en) 1985-03-20 2005-01-11 Interdigital Technology Corporation Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US6954470B2 (en) 1985-03-20 2005-10-11 Interdigital Technology Corporation Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US6208630B1 (en) 1993-09-30 2001-03-27 Interdigital Technology Corporation Modulary clustered radiotelephone system
US6496488B1 (en) 1993-09-30 2002-12-17 Interdigital Technology Corporation Modularly clustered radiotelephone system
US7245596B2 (en) 1993-09-30 2007-07-17 Interdigital Technology Corporation Modularly clustered radiotelephone system

Also Published As

Publication number Publication date
GB8311091D0 (en) 1983-05-25
ES531840A0 (en) 1985-08-16
GB2138652A (en) 1984-10-24
ES8507700A1 (en) 1985-08-16
CH664464A5 (en) 1988-02-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee