IT8223976A0 - Disposizione per chiamate telefoniche speciali multiple. - Google Patents
Disposizione per chiamate telefoniche speciali multiple.Info
- Publication number
- IT8223976A0 IT8223976A0 IT8223976A IT2397682A IT8223976A0 IT 8223976 A0 IT8223976 A0 IT 8223976A0 IT 8223976 A IT8223976 A IT 8223976A IT 2397682 A IT2397682 A IT 2397682A IT 8223976 A0 IT8223976 A0 IT 8223976A0
- Authority
- IT
- Italy
- Prior art keywords
- provision
- telephone calls
- multiple special
- special telephone
- calls
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/06—Time-space-time switching
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/316,252 US4445211A (en) | 1981-10-29 | 1981-10-29 | Arrangement for multiple custom calling |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8223976A0 true IT8223976A0 (it) | 1982-10-28 |
IT1155411B IT1155411B (it) | 1987-01-28 |
Family
ID=23228239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23976/82A IT1155411B (it) | 1981-10-29 | 1982-10-28 | Disposizione per chiamate telefoniche speciali multiple |
Country Status (5)
Country | Link |
---|---|
US (1) | US4445211A (it) |
JP (1) | JPS5883460A (it) |
BE (1) | BE894838A (it) |
CA (1) | CA1186038A (it) |
IT (1) | IT1155411B (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE50674T1 (de) * | 1985-09-27 | 1990-03-15 | Siemens Ag | Verfahren zum aufschalten zusaetzlicher fernsprechwege und tonsignale auf eine zwischen zwei teilnehmern bestehende fernsprechverbindung. |
US4974097A (en) * | 1986-11-18 | 1990-11-27 | Canon Kabushiki Kaisha | Data communication apparatus |
JPH02210934A (ja) * | 1989-02-09 | 1990-08-22 | Fujitsu Ltd | 通信システムの接続処理方式 |
US5426706A (en) * | 1991-03-28 | 1995-06-20 | Wood; William H. | Remote simultaneous interpretation system |
US5319702A (en) * | 1992-07-29 | 1994-06-07 | Tele-Matic Corporation | Method and apparatus for detecting and responding to hook flash events occurring on a remote telephone |
US5619561A (en) * | 1995-06-22 | 1997-04-08 | Reese; Morris | Call-waiting and caller identification with three-way conversations arrangements |
US5796811A (en) * | 1995-11-15 | 1998-08-18 | Gateway Technologies, Inc. | Three way call detection |
US5805685A (en) * | 1995-11-15 | 1998-09-08 | Gateway Technologies, Inc. | Three way call detection by counting signal characteristics |
US8000269B1 (en) | 2001-07-13 | 2011-08-16 | Securus Technologies, Inc. | Call processing with voice over internet protocol transmission |
US7505406B1 (en) | 2001-07-13 | 2009-03-17 | Evercom Systems, Inc. | Public telephone control with voice over internet protocol transmission |
US7899167B1 (en) | 2003-08-15 | 2011-03-01 | Securus Technologies, Inc. | Centralized call processing |
US7860222B1 (en) | 2003-11-24 | 2010-12-28 | Securus Technologies, Inc. | Systems and methods for acquiring, accessing, and analyzing investigative information |
US9020114B2 (en) | 2002-04-29 | 2015-04-28 | Securus Technologies, Inc. | Systems and methods for detecting a call anomaly using biometric identification |
US9026468B2 (en) | 2002-04-29 | 2015-05-05 | Securus Technologies, Inc. | System and method for proactively establishing a third-party payment account for services rendered to a resident of a controlled-environment facility |
US7916845B2 (en) * | 2006-04-13 | 2011-03-29 | Securus Technologies, Inc. | Unauthorized call activity detection and prevention systems and methods for a Voice over Internet Protocol environment |
US7376415B2 (en) * | 2002-07-12 | 2008-05-20 | Language Line Services, Inc. | System and method for offering portable language interpretation services |
US7529357B1 (en) | 2003-08-15 | 2009-05-05 | Evercom Systems, Inc. | Inmate management and call processing systems and methods |
US7792276B2 (en) * | 2005-09-13 | 2010-09-07 | Language Line Services, Inc. | Language interpretation call transferring in a telecommunications network |
US8023626B2 (en) * | 2005-09-13 | 2011-09-20 | Language Line Services, Inc. | System and method for providing language interpretation |
US7894596B2 (en) * | 2005-09-13 | 2011-02-22 | Language Line Services, Inc. | Systems and methods for providing language interpretation |
US20070239625A1 (en) * | 2006-04-05 | 2007-10-11 | Language Line Services, Inc. | System and method for providing access to language interpretation |
US7593523B2 (en) * | 2006-04-24 | 2009-09-22 | Language Line Services, Inc. | System and method for providing incoming call distribution |
US7773738B2 (en) * | 2006-09-22 | 2010-08-10 | Language Line Services, Inc. | Systems and methods for providing relayed language interpretation |
US10796392B1 (en) | 2007-05-22 | 2020-10-06 | Securus Technologies, Llc | Systems and methods for facilitating booking, bonding and release |
US20090090282A1 (en) * | 2007-10-09 | 2009-04-09 | Harris Gold | Waste energy conversion system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL297472A (it) * | 1962-09-04 | |||
DE1197132B (de) * | 1964-01-28 | 1965-07-22 | Siemens Ag | Schaltungsanordnung fuer ein nach dem Zeit-multiplexprinzip arbeitendes Vermittlungs-system, insbesondere Nebenstellen-vermittlungssystem |
US3997731A (en) * | 1975-04-14 | 1976-12-14 | International Telephone And Telegraph Corporation | Apparatus for custom calling features in a telephone system |
JPS5220712A (en) * | 1975-08-11 | 1977-02-16 | Meisei Electric Co Ltd | Call waiting system |
US3967070A (en) * | 1975-08-21 | 1976-06-29 | Gte Automatic Electric Laboratories Incorporated | Memory operation for 3-way communications |
JPS5943025B2 (ja) * | 1979-10-12 | 1984-10-19 | 沖電気工業株式会社 | ディジタル電話交換機における通話中着信方式 |
-
1981
- 1981-10-29 US US06/316,252 patent/US4445211A/en not_active Expired - Fee Related
-
1982
- 1982-10-18 CA CA000413601A patent/CA1186038A/en not_active Expired
- 1982-10-28 JP JP57188271A patent/JPS5883460A/ja active Pending
- 1982-10-28 IT IT23976/82A patent/IT1155411B/it active
- 1982-10-28 BE BE2/59887A patent/BE894838A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1155411B (it) | 1987-01-28 |
BE894838A (fr) | 1983-02-14 |
JPS5883460A (ja) | 1983-05-19 |
US4445211A (en) | 1984-04-24 |
CA1186038A (en) | 1985-04-23 |
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