CA2052498A1 - System for interfacing telephone sets with a centrex system - Google Patents

System for interfacing telephone sets with a centrex system

Info

Publication number: CA2052498A1
Authority: CA; Canada
Prior art keywords: centrex; telephone; telephone sets; supervisory; lines
Prior art date: 1991-09-30
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.): Abandoned

Application number

CA002052498A

Other languages

English (en)

French (fr)

Inventor

Kevin A. Johnson

George A. Jeffrey

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.)

Microsemi Semiconductor ULC

Original Assignee

Mitel 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.)

1991-09-30

Filing date

1991-09-30

Publication date

1993-03-31

1991-09-30 Application filed by Mitel Corp filed Critical Mitel Corp

1991-09-30 Priority to CA002052498A priority Critical patent/CA2052498A1/en

1992-09-25 Priority to DE4232120A priority patent/DE4232120A1/de

1992-09-25 Priority to ITMI922218A priority patent/IT1255834B/it

1992-09-28 Priority to MX9205511A priority patent/MX9205511A/es

1992-09-29 Priority to GB9220525A priority patent/GB2260063A/en

1993-03-31 Publication of CA2052498A1 publication Critical patent/CA2052498A1/en

Status Abandoned legal-status Critical Current

Links

230000002093 peripheral effect Effects 0.000 claims abstract description 17
230000004044 response Effects 0.000 claims description 8
238000000034 method Methods 0.000 claims description 5
238000006467 substitution reaction Methods 0.000 claims description 3
230000006870 function Effects 0.000 description 5
238000006243 chemical reaction Methods 0.000 description 3
238000010586 diagram Methods 0.000 description 3
230000011664 signaling Effects 0.000 description 3
230000000007 visual effect Effects 0.000 description 3
230000000903 blocking effect Effects 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
SZKKRCSOSQAJDE-UHFFFAOYSA-N Schradan Chemical compound CN(C)P(=O)(N(C)C)OP(=O)(N(C)C)N(C)C SZKKRCSOSQAJDE-UHFFFAOYSA-N 0.000 description 1
238000001514 detection method Methods 0.000 description 1
238000009434 installation Methods 0.000 description 1
238000002372 labelling Methods 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
- 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

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Astronomy & Astrophysics (AREA)
General Physics & Mathematics (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)
Telephonic Communication Services (AREA)
Structure Of Telephone Exchanges (AREA)

CA002052498A 1991-09-30 1991-09-30 System for interfacing telephone sets with a centrex system Abandoned CA2052498A1 (en)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
CA002052498A CA2052498A1 (en)	1991-09-30	1991-09-30	System for interfacing telephone sets with a centrex system
DE4232120A DE4232120A1 (de)	1991-09-30	1992-09-25	System fuer die interfaceverschaltung von telefonsets mit einem centrexsystem
ITMI922218A IT1255834B (it)	1991-09-30	1992-09-25	Sistema per interfacciare apparecchi telefonici con un sistema centrex
MX9205511A MX9205511A (es)	1991-09-30	1992-09-28	Sistema para interconectar aparatos de telefono con un sistema centrex
GB9220525A GB2260063A (en)	1991-09-30	1992-09-29	System for interfacing telephone sets with a centrex system

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA002052498A CA2052498A1 (en)	1991-09-30	1991-09-30	System for interfacing telephone sets with a centrex system

Publications (1)

Publication Number	Publication Date
CA2052498A1 true CA2052498A1 (en)	1993-03-31

Family

ID=4148471

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002052498A Abandoned CA2052498A1 (en)	1991-09-30	1991-09-30	System for interfacing telephone sets with a centrex system

Country Status (5)

Country	Link
CA (1)	CA2052498A1 (de)
DE (1)	DE4232120A1 (de)
GB (1)	GB2260063A (de)
IT (1)	IT1255834B (de)
MX (1)	MX9205511A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2081125C (en) *	1992-10-22	1997-03-04	Deborah L. Pinard	Portable telephone user profiles
AUPM940594A0 (en) *	1994-11-11	1994-12-08	Telecom Technologies Pty Ltd	Purpose-built centrex enhancing telephone system
DE19527815C1 (de) *	1995-07-28	1996-10-17	Siemens Ag	Mobilfunk-Netzwerkemulator für private Kommunikationsendgeräte
DE19846495A1 (de) *	1998-10-09	2000-04-13	Deutsche Telekom Ag	Verfahren zur Bereitstellung von Netz-Statusinformationen auf analogen Anschlußleitungen innerhalb eines Telekommunikationsnetzes

1991
- 1991-09-30 CA CA002052498A patent/CA2052498A1/en not_active Abandoned
1992
- 1992-09-25 DE DE4232120A patent/DE4232120A1/de not_active Withdrawn
- 1992-09-25 IT ITMI922218A patent/IT1255834B/it active IP Right Grant
- 1992-09-28 MX MX9205511A patent/MX9205511A/es unknown
- 1992-09-29 GB GB9220525A patent/GB2260063A/en not_active Withdrawn

Also Published As

Publication number	Publication date
MX9205511A (es)	1993-03-01
ITMI922218A0 (it)	1992-09-25
GB9220525D0 (en)	1992-11-11
IT1255834B (it)	1995-11-17
DE4232120A1 (de)	1993-04-01
ITMI922218A1 (it)	1994-03-25
GB2260063A (en)	1993-03-31

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Legal Events

Date	Code	Title	Description
1991-09-30	EEER	Examination request
1996-03-31	FZDE	Discontinued