GB2119204B - Telephone exchange line circuit providing special services - Google Patents

Telephone exchange line circuit providing special services

Info

Publication number
GB2119204B
GB2119204B GB08310430A GB8310430A GB2119204B GB 2119204 B GB2119204 B GB 2119204B GB 08310430 A GB08310430 A GB 08310430A GB 8310430 A GB8310430 A GB 8310430A GB 2119204 B GB2119204 B GB 2119204B
Authority
GB
United Kingdom
Prior art keywords
line circuit
telephone exchange
circuit providing
exchange line
special services
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
GB08310430A
Other versions
GB8310430D0 (en
GB2119204A (en
Inventor
Robert Cheetham
Kim Steven Davis
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB08310430A priority Critical patent/GB2119204B/en
Publication of GB8310430D0 publication Critical patent/GB8310430D0/en
Publication of GB2119204A publication Critical patent/GB2119204A/en
Application granted granted Critical
Publication of GB2119204B publication Critical patent/GB2119204B/en
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/34—Microprocessors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • 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
    • H04M3/424—Arrangements for automatic redialling
    • 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
    • H04M3/44—Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling
    • 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
    • H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined 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
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB08310430A 1982-04-23 1983-04-18 Telephone exchange line circuit providing special services Expired GB2119204B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08310430A GB2119204B (en) 1982-04-23 1983-04-18 Telephone exchange line circuit providing special services

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8211854 1982-04-23
GB08310430A GB2119204B (en) 1982-04-23 1983-04-18 Telephone exchange line circuit providing special services

Publications (3)

Publication Number Publication Date
GB8310430D0 GB8310430D0 (en) 1983-05-25
GB2119204A GB2119204A (en) 1983-11-09
GB2119204B true GB2119204B (en) 1985-08-14

Family

ID=26282635

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08310430A Expired GB2119204B (en) 1982-04-23 1983-04-18 Telephone exchange line circuit providing special services

Country Status (1)

Country Link
GB (1) GB2119204B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR1000286B (en) * 1990-01-03 1992-05-12 Intrakom A E Elliniki Viomicha Arrangement for identifying and tranfering phone calls
SG52791A1 (en) * 1991-11-04 1998-09-28 Alcatel Australia An interactive telephone
NL1000792C2 (en) * 1995-07-13 1997-01-14 Nederland Ptt A method for coupling a terminal device to a network device, as well as processor means, as well as network processor means.
DE19814463A1 (en) * 1998-04-01 1999-10-07 Cit Alcatel Function set-up method for telecommunications network terminal
FR2791844B1 (en) * 1999-04-01 2001-05-11 Sfr Sa METHOD FOR DYNAMICALLY MANAGING A TELEPHONE FORWARDING IN A TELEPHONE TERMINAL, AND CORRESPONDING TELEPHONE TERMINAL
CN100525196C (en) 2006-12-19 2009-08-05 华为技术有限公司 Conference control method and conference control system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1275621C2 (en) * 1965-04-01 1973-04-19 Siemens Ag Circuit arrangement for telecommunications switching systems, in particular telephone systems with coupling fields and switching device for different modes of operation
GB1237379A (en) * 1967-10-23 1971-06-30 Automatic Telephone & Elect Improvements in or relating to automatic telephone systems
GB1258166A (en) * 1969-08-11 1971-12-22
GB1333775A (en) * 1970-12-31 1973-10-17 Plessey Co Ltd Telecommunication call diversion equipment
DE3067450D1 (en) * 1979-09-25 1984-05-17 Kurt Paulsson Private automatic branch exchange (pabx) with interception facility

Also Published As

Publication number Publication date
GB8310430D0 (en) 1983-05-25
GB2119204A (en) 1983-11-09

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Legal Events

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