GB2352123B - Digital key telephone system and extension terminal device thereof - Google Patents

Digital key telephone system and extension terminal device thereof

Info

Publication number
GB2352123B
GB2352123B GB0024948A GB0024948A GB2352123B GB 2352123 B GB2352123 B GB 2352123B GB 0024948 A GB0024948 A GB 0024948A GB 0024948 A GB0024948 A GB 0024948A GB 2352123 B GB2352123 B GB 2352123B
Authority
GB
United Kingdom
Prior art keywords
terminal device
telephone system
key telephone
digital key
extension terminal
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
GB0024948A
Other versions
GB2352123A (en
GB0024948D0 (en
Inventor
Toshiaki Tanaka
Hiroshi Mano
Setsuo Kimura
Yoshihito Nagano
Masayuki Tsurusaki
Takashi Watanabe
Terunori Suwa
Isaku Komuro
Nobuhiro Masaki
Yoshihiro Kawauchi
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority claimed from GB9817681A external-priority patent/GB2325375B/en
Publication of GB0024948D0 publication Critical patent/GB0024948D0/en
Publication of GB2352123A publication Critical patent/GB2352123A/en
Application granted granted Critical
Publication of GB2352123B publication Critical patent/GB2352123B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42127—Systems providing several special services or facilities from groups H04M3/42008 - H04M3/58
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42195—Arrangements for calling back a calling subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/428—Arrangements for placing incoming calls on hold
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
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    • H04M3/428—Arrangements for placing incoming calls on hold
    • H04M3/4283—Call holding circuits
    • H—ELECTRICITY
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    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
    • H—ELECTRICITY
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    • 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
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    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
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    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
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Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
GB0024948A 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof Expired - Fee Related GB2352123B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2565896 1996-02-13
GB9817681A GB2325375B (en) 1996-02-13 1997-02-13 Digital button telephone system and extension terminal for the same

Publications (3)

Publication Number Publication Date
GB0024948D0 GB0024948D0 (en) 2000-11-29
GB2352123A GB2352123A (en) 2001-01-17
GB2352123B true GB2352123B (en) 2001-02-28

Family

ID=26314209

Family Applications (10)

Application Number Title Priority Date Filing Date
GB0024912A Expired - Fee Related GB2352118B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024908A Expired - Fee Related GB2352116B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024948A Expired - Fee Related GB2352123B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024910A Expired - Fee Related GB2352117B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024907A Expired - Fee Related GB2352115B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024929A Expired - Fee Related GB2352122B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024917A Expired - Fee Related GB2352119B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024925A Expired - Fee Related GB2352121B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024922A Expired - Fee Related GB2352120B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024905A Expired - Fee Related GB2352114B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB0024912A Expired - Fee Related GB2352118B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024908A Expired - Fee Related GB2352116B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof

Family Applications After (7)

Application Number Title Priority Date Filing Date
GB0024910A Expired - Fee Related GB2352117B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024907A Expired - Fee Related GB2352115B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024929A Expired - Fee Related GB2352122B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024917A Expired - Fee Related GB2352119B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024925A Expired - Fee Related GB2352121B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024922A Expired - Fee Related GB2352120B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof
GB0024905A Expired - Fee Related GB2352114B (en) 1996-02-13 1997-02-13 Digital key telephone system and extension terminal device thereof

Country Status (1)

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GB (10) GB2352118B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3688471T2 (en) * 1985-03-20 1993-12-09 Nippon Electric Co Key intercom system.
US4803718A (en) * 1987-03-06 1989-02-07 Tree Technologies Corporation Hold detecting and control circuit for a key telephone system
ATE103453T1 (en) * 1988-07-26 1994-04-15 Siemens Ag METHOD FOR IMPLEMENTING A FEATURE-RELATED CONTROL PROCEDURE IN A COMPUTER-CONTROLLED COMMUNICATION SYSTEM, ESPECIALLY A KEY-COMMUNICATION SYSTEM, WITH THE POSSIBILITY OF THE SO-CALLED ''CALL WAITING''.
EP0355488B1 (en) * 1988-08-18 1995-06-07 Siemens Aktiengesellschaft Method for realizing a control procedure in combination with the realisation of a hold state of a line in a calculator-controlled communication system, especially a key telephone system

Also Published As

Publication number Publication date
GB2352120B (en) 2001-02-28
GB2352123A (en) 2001-01-17
GB0024925D0 (en) 2000-11-29
GB2352120A (en) 2001-01-17
GB2352114B (en) 2001-02-28
GB0024908D0 (en) 2000-11-22
GB0024912D0 (en) 2000-11-22
GB2352116B (en) 2001-02-28
GB2352115B (en) 2001-02-28
GB0024917D0 (en) 2000-11-22
GB2352114A (en) 2001-01-17
GB2352121B (en) 2001-02-28
GB2352119B (en) 2001-02-28
GB2352115A (en) 2001-01-17
GB2352121A (en) 2001-01-17
GB2352118B (en) 2001-02-28
GB2352122B (en) 2001-02-28
GB2352117B (en) 2001-02-28
GB0024922D0 (en) 2000-11-22
GB0024910D0 (en) 2000-11-22
GB0024929D0 (en) 2000-11-29
GB0024905D0 (en) 2000-11-22
GB2352118A (en) 2001-01-17
GB2352117A (en) 2001-01-17
GB2352119A (en) 2001-01-17
GB0024948D0 (en) 2000-11-29
GB2352122A (en) 2001-01-17
GB0024907D0 (en) 2000-11-22
GB2352116A (en) 2001-01-17

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Effective date: 20100213