JPS5234606A - Telephone switching system - Google Patents
Telephone switching systemInfo
- Publication number
- JPS5234606A JPS5234606A JP51077993A JP7799376A JPS5234606A JP S5234606 A JPS5234606 A JP S5234606A JP 51077993 A JP51077993 A JP 51077993A JP 7799376 A JP7799376 A JP 7799376A JP S5234606 A JPS5234606 A JP S5234606A
- Authority
- JP
- Japan
- Prior art keywords
- switching system
- telephone switching
- telephone
- switching
- 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.)
- Pending
Links
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
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/592,610 US4022983A (en) | 1975-07-02 | 1975-07-02 | Telephone switching system having automated call hold facilities |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5234606A true JPS5234606A (en) | 1977-03-16 |
Family
ID=24371377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51077993A Pending JPS5234606A (en) | 1975-07-02 | 1976-07-02 | Telephone switching system |
Country Status (7)
Country | Link |
---|---|
US (1) | US4022983A (ja) |
JP (1) | JPS5234606A (ja) |
CA (1) | CA1065037A (ja) |
CH (1) | CH607488A5 (ja) |
DE (1) | DE2629295C3 (ja) |
FR (1) | FR2316813A1 (ja) |
GB (1) | GB1541902A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5824195A (en) * | 1995-07-10 | 1998-10-20 | Chisso Corporation | Process for distilling crude acrylic silane solution |
US6649028B2 (en) | 1999-11-08 | 2003-11-18 | Nippon Shokubai Co., Ltd. | Column treating process and apparatus thereof |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1200036A (en) * | 1978-03-13 | 1986-01-28 | Guido Panizzon | Partyline subscriber interface circuit |
US4336422A (en) * | 1978-07-05 | 1982-06-22 | Akzona Incorporated | Toll restrictor |
DE2854666C2 (de) * | 1978-12-18 | 1983-08-25 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Verfahren zur Herstellung von Verbindungen mit dem rückgefragten Teilnehmer durch den rückfragenden Teilnehmer in Fernsprechnebenstellenanlagen |
CA1146245A (en) * | 1980-05-16 | 1983-05-10 | Patrick R. Beirne | Keyless and indicatorless local telephone switching system |
US4661975A (en) * | 1985-03-13 | 1987-04-28 | Bell Communications Research, Inc. | Enhanced call-waiting service |
US4782517A (en) * | 1986-09-08 | 1988-11-01 | Bell Communications Research, Inc. | System and method for defining and providing telephone network services |
US5095504A (en) * | 1987-10-01 | 1992-03-10 | Canon Kabushiki Kaisha | Telephone and telephone system having temporary transfer and hold-release functions |
US5638432A (en) * | 1992-06-23 | 1997-06-10 | Siemens Aktiengesellschaft | Method of setting up telecommunication connections |
US7103167B2 (en) | 2002-05-20 | 2006-09-05 | Callwave, Inc. | Systems and methods for call screening |
US7822188B1 (en) | 1999-04-01 | 2010-10-26 | Callwave, Inc. | Methods and apparatus for providing expanded telecommunications service |
US7555110B2 (en) * | 1999-04-01 | 2009-06-30 | Callwave, Inc. | Methods and apparatus for providing expanded telecommunications service |
EP1166540A2 (en) | 1999-04-01 | 2002-01-02 | Callwave Inc. | Method and apparatus for providing expanded telecommunications service |
US7688958B2 (en) | 2000-03-31 | 2010-03-30 | Callwave, Inc. | Methods and apparatus for providing expanded telecommunications service |
US7103002B2 (en) * | 2000-07-12 | 2006-09-05 | Telefonktiebolaget Lm Ericsson (Publ) | Communication management in networks having split control planes and user planes |
US6738461B2 (en) | 2001-11-01 | 2004-05-18 | Callwave, Inc. | Methods and apparatus for returning a call over a telephony system |
US6879677B2 (en) | 2001-11-01 | 2005-04-12 | Callwave, Inc. | Methods and systems for telephony call completion |
US8705710B2 (en) | 2001-11-01 | 2014-04-22 | Callwave Communications, Llc | Methods and systems for telephony call completion |
US7839987B1 (en) | 2001-11-01 | 2010-11-23 | Callwave, Inc. | Methods and systems for creating a dynamic call log and contact records |
US6817530B2 (en) * | 2001-12-18 | 2004-11-16 | Digimarc Id Systems | Multiple image security features for identification documents and methods of making same |
US7824029B2 (en) | 2002-05-10 | 2010-11-02 | L-1 Secure Credentialing, Inc. | Identification card printer-assembler for over the counter card issuing |
US20040114747A1 (en) * | 2002-12-12 | 2004-06-17 | Trandal David S. | Systems and methods for call processing |
US7474432B1 (en) * | 2004-03-05 | 2009-01-06 | Callwave, Inc. | Methods and systems for fax routing |
US7480065B1 (en) * | 2004-03-05 | 2009-01-20 | Callwave, Inc. | Facsimile telecommunications system and method |
US7742586B1 (en) | 2004-06-14 | 2010-06-22 | Callwave, Inc. | Enhanced service levels for call-processing services |
US8107609B2 (en) | 2004-12-06 | 2012-01-31 | Callwave, Inc. | Methods and systems for telephony call-back processing |
US8494504B2 (en) * | 2004-12-06 | 2013-07-23 | Callwave Communications, Llc | Methods and systems for telephony processing, including location based call transfers |
US8000455B1 (en) | 2004-12-09 | 2011-08-16 | Callwave, Inc. | Methods and systems for call processing |
US7409048B2 (en) | 2004-12-09 | 2008-08-05 | Callwave, Inc. | Call processing and subscriber registration systems and methods |
US7852749B2 (en) * | 2005-04-06 | 2010-12-14 | Callwave, Inc. | Methods and systems for routing telecommunications |
US7965825B1 (en) * | 2005-05-02 | 2011-06-21 | Callwave, Inc. | Methods and systems for transferring voice messages and faxes over a network |
US7808936B2 (en) * | 2005-05-09 | 2010-10-05 | J2 Global Communications, Inc. | Systems and methods for facsimile echo cancellation |
US8855107B1 (en) | 2005-07-01 | 2014-10-07 | Callwave Communications, Llc | Methods and systems for call routing via a telephone number |
US8369311B1 (en) | 2005-07-01 | 2013-02-05 | Callwave Communications, Llc | Methods and systems for providing telephony services to fixed and mobile telephonic devices |
US8401163B1 (en) | 2005-10-18 | 2013-03-19 | Callwave Communications, Llc | Methods and systems for call processing and for providing call progress status over a network |
US8165572B1 (en) | 2006-02-22 | 2012-04-24 | Callwave, Inc. | Methods and systems for call processing in a wireline and wireless network |
US8270582B1 (en) | 2006-04-05 | 2012-09-18 | Callwave, Inc. | Methods and systems for routing calls |
US8085922B1 (en) | 2006-05-01 | 2011-12-27 | Callwave, Inc. | Methods and systems for speed dialing |
US8121626B1 (en) | 2006-06-05 | 2012-02-21 | Callwave, Inc. | Method and systems for short message forwarding services |
US8548447B1 (en) | 2006-10-06 | 2013-10-01 | Callwave Communications, Llc | Methods and systems for blocking unwanted telecommunications |
US8447285B1 (en) | 2007-03-26 | 2013-05-21 | Callwave Communications, Llc | Methods and systems for managing telecommunications and for translating voice messages to text messages |
US20080261524A1 (en) * | 2007-04-19 | 2008-10-23 | Asif Grushkevich | Method and System for a Bluetooth Device That Supports Multiple Connections |
US8583746B1 (en) | 2007-05-25 | 2013-11-12 | Callwave Communications, Llc | Methods and systems for web and call processing |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49106208A (ja) * | 1973-02-09 | 1974-10-08 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1206492B (de) * | 1964-09-03 | 1965-12-09 | Siemens Ag | Schaltungsanordnung fuer eine Fernsprechnebenstellenanlage in Koppelfeldtechnik und mit zentralen Einrichtungen fuer die Steuerung der Koppelpunkte des Sprechweges |
US3725599A (en) * | 1971-07-22 | 1973-04-03 | Gte Automatic Electric Lab Inc | Call pickup service for pabx telephone system |
US3859474A (en) * | 1972-09-29 | 1975-01-07 | Stromberg Carlson Corp | Private automatic branch exchange with central office features |
-
1975
- 1975-07-02 US US05/592,610 patent/US4022983A/en not_active Expired - Lifetime
-
1976
- 1976-06-29 CA CA255,906A patent/CA1065037A/en not_active Expired
- 1976-06-29 GB GB7627119A patent/GB1541902A/en not_active Expired
- 1976-06-30 DE DE2629295A patent/DE2629295C3/de not_active Expired
- 1976-07-01 CH CH844976A patent/CH607488A5/xx not_active IP Right Cessation
- 1976-07-01 FR FR7620109A patent/FR2316813A1/fr active Granted
- 1976-07-02 JP JP51077993A patent/JPS5234606A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49106208A (ja) * | 1973-02-09 | 1974-10-08 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5824195A (en) * | 1995-07-10 | 1998-10-20 | Chisso Corporation | Process for distilling crude acrylic silane solution |
US6649028B2 (en) | 1999-11-08 | 2003-11-18 | Nippon Shokubai Co., Ltd. | Column treating process and apparatus thereof |
Also Published As
Publication number | Publication date |
---|---|
US4022983A (en) | 1977-05-10 |
DE2629295B2 (de) | 1980-07-24 |
FR2316813B1 (ja) | 1979-03-02 |
CA1065037A (en) | 1979-10-23 |
DE2629295C3 (de) | 1981-04-09 |
DE2629295A1 (de) | 1977-01-20 |
GB1541902A (en) | 1979-03-14 |
FR2316813A1 (fr) | 1977-01-28 |
CH607488A5 (ja) | 1978-12-29 |
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