GB2391423B - A private branch exchange,and a method for selectively communicating a central processing unit with respective modules connected to the private branch exchang - Google Patents

A private branch exchange,and a method for selectively communicating a central processing unit with respective modules connected to the private branch exchang

Info

Publication number
GB2391423B
GB2391423B GB0317473A GB0317473A GB2391423B GB 2391423 B GB2391423 B GB 2391423B GB 0317473 A GB0317473 A GB 0317473A GB 0317473 A GB0317473 A GB 0317473A GB 2391423 B GB2391423 B GB 2391423B
Authority
GB
United Kingdom
Prior art keywords
private branch
exchang
processing unit
central processing
modules connected
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 - Fee Related
Application number
GB0317473A
Other versions
GB2391423A (en
GB0317473D0 (en
Inventor
Enda Sullivan
Graham Warwick
David Balloch
Sasa Samardzic
Martin J Carroll
John P M O'connor
Anthony J Byrne
Seamus Gallagher
Kenneth Cunningham
Michael Noel O'keeffe
Tony O'byrne
John Purcell
Sean Young
Ciaran Kelly
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.)
Lake Electronic Technologies Ltd
Original Assignee
Lake Electronic Technologies Ltd
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 Lake Electronic Technologies Ltd filed Critical Lake Electronic Technologies Ltd
Publication of GB0317473D0 publication Critical patent/GB0317473D0/en
Publication of GB2391423A publication Critical patent/GB2391423A/en
Application granted granted Critical
Publication of GB2391423B publication Critical patent/GB2391423B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
GB0317473A 2002-07-25 2003-07-25 A private branch exchange,and a method for selectively communicating a central processing unit with respective modules connected to the private branch exchang Expired - Fee Related GB2391423B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE20020615A IES20020615A2 (en) 2002-07-25 2002-07-25 A private branch exchange, and a method for selectively communicating the central processing unit with respective modules in the private branch exchange

Publications (3)

Publication Number Publication Date
GB0317473D0 GB0317473D0 (en) 2003-08-27
GB2391423A GB2391423A (en) 2004-02-04
GB2391423B true GB2391423B (en) 2005-12-14

Family

ID=27772936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0317473A Expired - Fee Related GB2391423B (en) 2002-07-25 2003-07-25 A private branch exchange,and a method for selectively communicating a central processing unit with respective modules connected to the private branch exchang

Country Status (2)

Country Link
GB (1) GB2391423B (en)
IE (1) IES20020615A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040046A1 (en) * 1980-05-08 1981-11-18 International Standard Electric Corporation Modular telecommunications system
WO1985005241A1 (en) * 1984-05-07 1985-11-21 D.A.V.I.D. Systems, Inc. Digital timeslot and signaling bus in a digital pbx switch
GB2183425A (en) * 1985-11-20 1987-06-03 Trillium Tel Syst Inc Communication systems
US5544226A (en) * 1991-08-30 1996-08-06 Alcatel N.V. Private branch exchange having a central control unit and a mobile control unit subordinate thereto
GB2384135A (en) * 2001-12-24 2003-07-16 Lg Electronics Inc Modular expansion key telephone system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040046A1 (en) * 1980-05-08 1981-11-18 International Standard Electric Corporation Modular telecommunications system
WO1985005241A1 (en) * 1984-05-07 1985-11-21 D.A.V.I.D. Systems, Inc. Digital timeslot and signaling bus in a digital pbx switch
GB2183425A (en) * 1985-11-20 1987-06-03 Trillium Tel Syst Inc Communication systems
US5544226A (en) * 1991-08-30 1996-08-06 Alcatel N.V. Private branch exchange having a central control unit and a mobile control unit subordinate thereto
GB2384135A (en) * 2001-12-24 2003-07-16 Lg Electronics Inc Modular expansion key telephone system

Also Published As

Publication number Publication date
GB2391423A (en) 2004-02-04
IE20030544A1 (en) 2004-01-28
GB0317473D0 (en) 2003-08-27
IES20020615A2 (en) 2004-01-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120920 AND 20120926

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140725