ES415313A1 - Perfeccionamientos en un sistema telefonico de manipula- cion. - Google Patents

Perfeccionamientos en un sistema telefonico de manipula- cion.

Info

Publication number
ES415313A1
ES415313A1 ES415313A ES415313A ES415313A1 ES 415313 A1 ES415313 A1 ES 415313A1 ES 415313 A ES415313 A ES 415313A ES 415313 A ES415313 A ES 415313A ES 415313 A1 ES415313 A1 ES 415313A1
Authority
ES
Spain
Prior art keywords
mode
key telephone
line
incoming
distributing system
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
ES415313A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of ES415313A1 publication Critical patent/ES415313A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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
    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/51—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
    • H04M3/523—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing
ES415313A 1972-05-30 1973-05-29 Perfeccionamientos en un sistema telefonico de manipula- cion. Expired ES415313A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25810672A 1972-05-30 1972-05-30

Publications (1)

Publication Number Publication Date
ES415313A1 true ES415313A1 (es) 1976-02-01

Family

ID=22979118

Family Applications (1)

Application Number Title Priority Date Filing Date
ES415313A Expired ES415313A1 (es) 1972-05-30 1973-05-29 Perfeccionamientos en un sistema telefonico de manipula- cion.

Country Status (9)

Country Link
US (1) US3752936A (es)
JP (1) JPS5331565B2 (es)
BE (1) BE800170A (es)
CA (1) CA966944A (es)
ES (1) ES415313A1 (es)
FR (1) FR2186791B1 (es)
GB (1) GB1433933A (es)
IT (1) IT986381B (es)
SE (1) SE381547B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943290A (en) * 1974-01-09 1976-03-09 Golden Michael E Semi-automatic telephone-answering system
DE2540492C2 (de) * 1975-09-11 1980-05-08 Keiper Trainingsysteme Gmbh & Co, 6760 Rockenhausen Ergometer
US4029909A (en) * 1976-03-23 1977-06-14 International Telephone And Telegraph Corporation Operator supervisory circuit for a key telephone system
US4066847A (en) * 1976-09-29 1978-01-03 Automation Electronics Corporation Automatic call answering and sequencing system
JPS5373056U (es) * 1976-11-22 1978-06-19
US4291199A (en) * 1979-03-28 1981-09-22 Bell Telephone Laboratories, Incorporated Communication system tracking arrangement
US4408100A (en) * 1981-03-02 1983-10-04 Data Plus, Inc. Position load distribution and management system for key telephone systems
GB2141005A (en) * 1983-05-10 1984-12-05 Secr Defence Telephone exchange call queueing system
US4763353A (en) * 1986-02-14 1988-08-09 American Telephone And Telegraph Company Terminal based adjunct call manager for a communication system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1880722A (en) * 1931-05-26 1932-10-04 Western Union Telegraph Co Call distributing system for concentration circuits
US2176340A (en) * 1936-03-16 1939-10-17 Siemens Brothers & Co Ltd Telephone system
FR998480A (fr) * 1945-10-11 1952-01-18 Comp Generale Electricite Distributeur d'appels
US2817714A (en) * 1954-09-17 1957-12-24 Gen Telephone Lab Inc Indicating systems
US2757240A (en) * 1954-12-21 1956-07-31 Gen Dynamics Corp Gating circuit for lines incoming to an operator's position
GB864340A (en) * 1957-03-26 1961-04-06 Ass Elect Ind Improvements relating to arrangements for controlling the access of a number of equipments to a common apparatus
US3246082A (en) * 1962-03-26 1966-04-12 Levy Alfred Telephone hold program system

Also Published As

Publication number Publication date
SE381547B (sv) 1975-12-08
DE2327562A1 (de) 1973-12-13
IT986381B (it) 1975-01-30
BE800170A (fr) 1973-09-17
JPS5331565B2 (es) 1978-09-04
CA966944A (en) 1975-04-29
US3752936A (en) 1973-08-14
DE2327562B2 (de) 1975-06-12
JPS4944608A (es) 1974-04-26
FR2186791A1 (es) 1974-01-11
GB1433933A (en) 1976-04-28
FR2186791B1 (es) 1977-09-02

Similar Documents

Publication Publication Date Title
CA978480A (en) Loudspeaking telephone station circuit
CA925233A (en) Subscriber telephone circuit
ES415313A1 (es) Perfeccionamientos en un sistema telefonico de manipula- cion.
CA949245A (en) Telephone subscriber line circuit
ES377981A1 (es) Mejoras en los sistemas de seleccion para circuitos o equi-pos electricos.
CA971292A (en) Tone keying circuit for telephone inband signaling system
AU459087B2 (en) Supervisory lamp system for telephone conference connection and call transfer devices
GB1480221A (en) Telephone intercommunication systems
JPS53105922A (en) Absence transfer system between stations
GB1043839A (en) Method to mark calls in telephone connections, equipped with automatic call transfer
AU427919B2 (en) Circuit arrangement for switching on the engaged signal and the engaged tone in communication, particularly telephone exchange installations
AU2848767A (en) Circuit arrangement for switching on the engaged signal and the engaged tone in communication, particularly telephone exchange installations
ES396581A1 (es) Sistema intercomunicador telefonico.
AU448092B2 (en) Telephone switching circuit with call waiting service
JPS51115712A (en) Call detection method in automatic telephone exchange
ES401777A1 (es) Perfeccionamientos en sistemas de comunicacion telefonica en circuito explorador-contador multifuncional.
CH501346A (de) Schaltungsanordnung zur Erkennung des Schleifenschlusses bei Teilnehmerstellen mit über die Anschlussleitung gespeisten Halbleiterverstärkern in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
DE2104031B2 (de) Schaltungsanordnung zur selbsttaetigen ansage von mitteilungen an anrufende in fernmeldeanlagen, insbesondere fernsprechvermittlungsanlagen
CA938040A (en) Telephone subscriber line circuit
JPS51132911A (en) Transfer method of an electronic switchboard
AU6320669A (en) Telephone switching circuit with call waiting service
JPS51144504A (en) Telephone set
JPS5437609A (en) Extension call system
AU406551B2 (en) Circuit arrangement for releasing audio frequency call signals in subscriber stations in communications, particularly telephone installations
DE2024361B2 (de) Schaltungsanordnung zum anrufen von teilnehmerstationen in fernsprechanlagen