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ES547191A0 - Un sistema telefonico con intercomunicacion - Google Patents

Un sistema telefonico con intercomunicacion

Info

Publication number
ES547191A0
ES547191A0 ES547191A ES547191A ES547191A0 ES 547191 A0 ES547191 A0 ES 547191A0 ES 547191 A ES547191 A ES 547191A ES 547191 A ES547191 A ES 547191A ES 547191 A0 ES547191 A0 ES 547191A0
Authority
ES
Spain
Prior art keywords
intercommunication
telephone system
telephone
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.)
Granted
Application number
ES547191A
Other languages
English (en)
Other versions
ES8704061A1 (es
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES547191A0 publication Critical patent/ES547191A0/es
Publication of ES8704061A1 publication Critical patent/ES8704061A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
ES547191A 1984-09-21 1985-09-20 Un sistema telefonico con intercomunicacion Expired ES8704061A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/653,650 US4588864A (en) 1984-09-21 1984-09-21 Small key telephone system

Publications (2)

Publication Number Publication Date
ES547191A0 true ES547191A0 (es) 1987-02-16
ES8704061A1 ES8704061A1 (es) 1987-02-16

Family

ID=24621766

Family Applications (1)

Application Number Title Priority Date Filing Date
ES547191A Expired ES8704061A1 (es) 1984-09-21 1985-09-20 Un sistema telefonico con intercomunicacion

Country Status (2)

Country Link
US (1) US4588864A (es)
ES (1) ES8704061A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791662A (en) * 1987-07-23 1988-12-13 American Telephone And Telegraph Company, At&T Bell Laboratories Controlling key-system groups from a distributed control switching system
US4893334A (en) * 1987-08-28 1990-01-09 Power Play Intercommunication system for telephones
US4899372A (en) * 1988-01-05 1990-02-06 Better Communications, Inc. Multi use telephone extension control circuit and device providing lockout for privacy
US4850011A (en) * 1988-01-13 1989-07-18 Redcom Laboratories, Inc. Key telephone system providing selection of key or PBX operational modes
US5537465A (en) * 1991-03-29 1996-07-16 Bellafiore; Vincent M. Integrated telephone and intercom system
US5546454A (en) * 1994-03-21 1996-08-13 Harrington; Noreen A. Automatic call distributor with telephonic call holding system
IL109105A0 (en) * 1994-03-24 1994-06-24 Orbitech Advanced Systems Ltd Communication system
US6760419B1 (en) * 2000-10-12 2004-07-06 E. F. Bavis & Associates, Inc. Method and apparatus for interfacing a drive-thru intercom system with a telephone system
US6831973B2 (en) * 2001-01-26 2004-12-14 Applied Minds, Inc. Method and apparatus for executive phone call initiation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079212A (en) * 1975-07-23 1978-03-14 Kanda Tsushin Kogyo Co., Ltd. Extension telephone system
US4100375A (en) * 1977-01-19 1978-07-11 David Lewis Noller Telephone, intercom and remote control system
US4088846A (en) * 1977-03-30 1978-05-09 Bell Telephone Laboratories, Incorporated Hold-plus-intercom for single-line stations
US4132860A (en) * 1977-08-01 1979-01-02 Crest Industries, Inc. Hold control for a key telephone system
US4196317A (en) * 1978-01-20 1980-04-01 Bartelink E H B Telephone intercom system

Also Published As

Publication number Publication date
US4588864A (en) 1986-05-13
ES8704061A1 (es) 1987-02-16

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