ITMI940399A0 - Chiamata unica su una linea telefonica primaria - Google Patents
Chiamata unica su una linea telefonica primariaInfo
- Publication number
- ITMI940399A0 ITMI940399A0 ITMI940399A ITMI940399A ITMI940399A0 IT MI940399 A0 ITMI940399 A0 IT MI940399A0 IT MI940399 A ITMI940399 A IT MI940399A IT MI940399 A ITMI940399 A IT MI940399A IT MI940399 A0 ITMI940399 A0 IT MI940399A0
- Authority
- IT
- Italy
- Prior art keywords
- telephone line
- single call
- primary telephone
- primary
- call
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
-
- 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
- H04M3/546—Arrangements for diverting calls for one subscriber to another predetermined subscriber in private branch exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/47—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using translators
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Devices For Supply Of Signal Current (AREA)
- Telephonic Communication Services (AREA)
- Telephone Function (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002091278A CA2091278C (en) | 1993-03-09 | 1993-03-09 | Unique ringing on a prime telephone line |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI940399A0 true ITMI940399A0 (it) | 1994-03-04 |
ITMI940399A1 ITMI940399A1 (it) | 1994-09-10 |
IT1273380B IT1273380B (it) | 1997-07-08 |
Family
ID=4151270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI940399A IT1273380B (it) | 1993-03-09 | 1994-03-04 | Chiamata unica su una linea telefonica primaria |
Country Status (5)
Country | Link |
---|---|
US (1) | US5491746A (it) |
CA (1) | CA2091278C (it) |
DE (1) | DE4407671B4 (it) |
GB (1) | GB2276062B (it) |
IT (1) | IT1273380B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH089017A (ja) * | 1994-06-23 | 1996-01-12 | Matsushita Electric Ind Co Ltd | 留守番電話装置 |
CA2148023C (en) * | 1994-07-01 | 1999-01-19 | Jerry Eisdorfer | Intelligent call waiting |
JP2847039B2 (ja) * | 1994-10-12 | 1999-01-13 | 富士通株式会社 | 電話着信通知システム及びそれに用いられる情報処理システム |
GB2303271B (en) * | 1995-07-10 | 1999-07-14 | Hong Kong Telecommunications L | Telephone network |
DE19526186C2 (de) * | 1995-07-18 | 1998-01-15 | Siemens Ag | Rufeinrichtung für ein Kommunikationssystem |
KR970024789A (ko) * | 1995-10-16 | 1997-05-30 | 김광호 | 전화기에서 벨소리 다양화 방법 |
US5815563A (en) * | 1995-12-15 | 1998-09-29 | Lucent Technologies Inc. | Telecommunication system with remote call pick-up capabilities |
US5790654A (en) * | 1996-08-05 | 1998-08-04 | Telogy Networks, Inc. | Digitally controlled ring signal generator |
US5926537A (en) * | 1997-04-29 | 1999-07-20 | Ericsson Inc | Generating a distinctive ring tone for a calling party subscriber within a telecommunications network |
JP3506231B2 (ja) * | 2000-04-19 | 2004-03-15 | シャープ株式会社 | 着呼者呼び出し方法、通信機器、発呼者情報サーバおよび呼び出し制御装置 |
US20040184590A1 (en) * | 2003-03-21 | 2004-09-23 | Xiaohao Jia | Device and method for caller identification |
US8626375B2 (en) | 2011-03-04 | 2014-01-07 | Bosch Automotive Service Solutions Llc | Multiplexing device with provision for expansion |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2520532B2 (de) * | 1975-05-07 | 1978-09-21 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung für eine Ruftoneinrichtung für Fernmelde-, insbesondere Fernsprechanlagen |
US4477697A (en) * | 1982-11-22 | 1984-10-16 | At&T Bell Laboratories | Method and circuitry for encoding telephone ringing signals |
CA1199394A (en) * | 1983-02-18 | 1986-01-14 | Conrad Lewis | Switching system with separate supervisory links |
DE3823236A1 (de) * | 1988-07-08 | 1990-01-11 | Siemens Ag | Verfahren fuer eine programmgesteuerte fernsprechvermittlungsanlage mit einer alle vermittlungsfunktionen durchfuehrenden zentralsteuerung |
US4962527A (en) * | 1989-05-22 | 1990-10-09 | Siemens Transmission Systems, Inc. | Series ringing signal generator |
US5142569A (en) * | 1990-04-23 | 1992-08-25 | Data Accessory Corporation | Apparatus for selectively enabling subscriber device to respond to ringing signal in dependence upon ringing cadence |
JPH0442920A (ja) * | 1990-06-06 | 1992-02-13 | Seiko Epson Corp | イオン注入法 |
CA2044437C (en) * | 1991-06-12 | 1995-04-04 | Dan R.F. Oprea | Digitally controlled ringer signal generation |
US5361296A (en) * | 1991-11-25 | 1994-11-01 | Zoom Telephonics, Inc. | Modem with ring detection/modem processing capability |
CA2081125C (en) * | 1992-10-22 | 1997-03-04 | Deborah L. Pinard | Portable telephone user profiles |
-
1993
- 1993-03-09 CA CA002091278A patent/CA2091278C/en not_active Expired - Lifetime
-
1994
- 1994-03-04 IT ITMI940399A patent/IT1273380B/it active IP Right Grant
- 1994-03-08 US US08/207,958 patent/US5491746A/en not_active Expired - Lifetime
- 1994-03-08 GB GB9404444A patent/GB2276062B/en not_active Expired - Lifetime
- 1994-03-09 DE DE4407671A patent/DE4407671B4/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5491746A (en) | 1996-02-13 |
DE4407671B4 (de) | 2004-09-23 |
CA2091278A1 (en) | 1994-09-10 |
GB2276062A (en) | 1994-09-14 |
IT1273380B (it) | 1997-07-08 |
GB2276062B (en) | 1996-11-13 |
DE4407671A1 (de) | 1994-09-22 |
GB9404444D0 (en) | 1994-04-20 |
CA2091278C (en) | 1996-12-10 |
ITMI940399A1 (it) | 1994-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970328 |