GB2313737B - Key phone system - Google Patents

Key phone system

Info

Publication number
GB2313737B
GB2313737B GB9710946A GB9710946A GB2313737B GB 2313737 B GB2313737 B GB 2313737B GB 9710946 A GB9710946 A GB 9710946A GB 9710946 A GB9710946 A GB 9710946A GB 2313737 B GB2313737 B GB 2313737B
Authority
GB
United Kingdom
Prior art keywords
phone system
key phone
key
phone
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
GB9710946A
Other versions
GB2313737A (en
GB9710946D0 (en
Inventor
Yong-Sang Lee
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB9710946D0 publication Critical patent/GB9710946D0/en
Publication of GB2313737A publication Critical patent/GB2313737A/en
Application granted granted Critical
Publication of GB2313737B publication Critical patent/GB2313737B/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
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/20—Automatic or semi-automatic exchanges with means for interrupting existing connections; with means for breaking-in on conversations
    • 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
    • H04M3/58—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
GB9710946A 1996-05-29 1997-05-29 Key phone system Expired - Fee Related GB2313737B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960018528A KR0184478B1 (en) 1996-05-29 1996-05-29 Call control method using keyphone terminal

Publications (3)

Publication Number Publication Date
GB9710946D0 GB9710946D0 (en) 1997-07-23
GB2313737A GB2313737A (en) 1997-12-03
GB2313737B true GB2313737B (en) 1998-10-14

Family

ID=19460086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9710946A Expired - Fee Related GB2313737B (en) 1996-05-29 1997-05-29 Key phone system

Country Status (2)

Country Link
KR (1) KR0184478B1 (en)
GB (1) GB2313737B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000021664A (en) * 1998-09-30 2000-04-25 윤종용 Method for utilizing central office line using password in exchange system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2001828A (en) * 1977-08-01 1979-02-07 Rasmussen H Hold control for a key telephone system
US4741026A (en) * 1986-05-29 1988-04-26 American Telephone And Telegraph Company, At&T Bell Laboratories Message signaling arrangement between a switching system and user terminals
US5309028A (en) * 1992-07-14 1994-05-03 At&T Bell Laboratories Call coverage arrangement in an ISDN switching system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2001828A (en) * 1977-08-01 1979-02-07 Rasmussen H Hold control for a key telephone system
US4741026A (en) * 1986-05-29 1988-04-26 American Telephone And Telegraph Company, At&T Bell Laboratories Message signaling arrangement between a switching system and user terminals
US5309028A (en) * 1992-07-14 1994-05-03 At&T Bell Laboratories Call coverage arrangement in an ISDN switching system

Also Published As

Publication number Publication date
KR970078286A (en) 1997-12-12
GB2313737A (en) 1997-12-03
GB9710946D0 (en) 1997-07-23
KR0184478B1 (en) 1999-05-15

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Legal Events

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

Effective date: 20080529