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Class Information
Number: 379/197
Name: Telephonic communications > Call or terminal access alarm or control > At switching center > Central office
Description: Subject matter wherein the switching center is a central office.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7602770 |
Telecommunication terminal identification on a switching system |
Oct. 13, 2009 |
| 7570751 |
System and method for real-time fraud detection within a telecommunication network |
Aug. 4, 2009 |
| 7447301 |
Toll-free number blocking override indicator |
Nov. 4, 2008 |
| 7440562 |
Phone line supervisory controls |
Oct. 21, 2008 |
| 7418089 |
System and method for restricting and monitoring telephone calls |
Aug. 26, 2008 |
| 7406161 |
System and method for real-time fraud detection within a telecommunication network |
Jul. 29, 2008 |
| 7289617 |
Phone line supervisory controls |
Oct. 30, 2007 |
| 7231026 |
Detection of carrier mis-routing in telephone systems |
Jun. 12, 2007 |
| 7218718 |
Method to perform a telecommunication with dialing destination preview |
May. 15, 2007 |
| 7155001 |
System and method for restricting and monitoring telephone calls |
Dec. 26, 2006 |
| 6813347 |
Selective call waiting |
Nov. 2, 2004 |
| 6724874 |
Outgoing call screening |
Apr. 20, 2004 |
| 6707898 |
Elapsed time reminder for telecommunication network |
Mar. 16, 2004 |
| 6654452 |
Method and apparatus in a communications system for dynamic call rejection |
Nov. 25, 2003 |
| 6510217 |
Methods and systems for forwarding anonymous and unknown calls |
Jan. 21, 2003 |
| 6337904 |
Automated survey control routine in a call center environment |
Jan. 8, 2002 |
| 6330317 |
Call blocking system |
Dec. 11, 2001 |
| 6208720 |
System, method and computer program product for a dynamic rules-based threshold engine |
Mar. 27, 2001 |
| 6178231 |
Method and system for generating predetermined messages during selected calls-in-progress |
Jan. 23, 2001 |
| 6160877 |
Method of screening and prioritizing an incoming call |
Dec. 12, 2000 |
| 6118865 |
Automated survey control routine in a call center environment |
Sep. 12, 2000 |
| 6084955 |
Communication network control method and apparatus |
Jul. 4, 2000 |
| 6026156 |
Enhanced call waiting |
Feb. 15, 2000 |
| 5999611 |
Subscriber interface for accessing and operating personal communication services |
Dec. 7, 1999 |
| 5956393 |
System and method for limiting call velocity attempts in a public switched telephone network |
Sep. 21, 1999 |
| 5943416 |
Automated survey control routine in a call center environment |
Aug. 24, 1999 |
| 5872840 |
Enhancement do not disturb subscriber feature within a telecommunications network |
Feb. 16, 1999 |
| 5825867 |
Enhanced call waiting |
Oct. 20, 1998 |
| 5809126 |
Telephone bar device |
Sep. 15, 1998 |
| 5793858 |
Method for improving call completion rates in telephony |
Aug. 11, 1998 |
| 5790645 |
Automatic design of fraud detection systems |
Aug. 4, 1998 |
| 5790636 |
Telephone travel card system under the control of its customers |
Aug. 4, 1998 |
| 5751800 |
Screening of incoming telephone calls prior to call completion to the destination party |
May. 12, 1998 |
| 5729599 |
Method and system of forwarding calls in a remote access call forwarding service of a telephone system |
Mar. 17, 1998 |
| 5729592 |
Calling party identification announcement service |
Mar. 17, 1998 |
| 5719926 |
Prepaid long-distance telephone service system with flexible operating parameters |
Feb. 17, 1998 |
| 5680446 |
Advanced intelligent network screening |
Oct. 21, 1997 |
| 5675632 |
Telephone exchange network using telephone exchanges with speech recognition |
Oct. 7, 1997 |
| 5659605 |
Method and apparatus for providing soft dial tone using office equipment designators |
Aug. 19, 1997 |
| 5638431 |
Calling card validation system and method therefor |
Jun. 10, 1997 |
| 5602906 |
Toll fraud detection system |
Feb. 11, 1997 |
| 5596632 |
Message-based interface for phone fraud system |
Jan. 21, 1997 |
| 5588049 |
Method for the automatic insertion of removal of a calling number identification (CNID) blocking prefix from within a telephone number in a personal computer based telephone management system |
Dec. 24, 1996 |
| 5535263 |
Method for recording subscriber specific messages in an advanced intelligent network |
Jul. 9, 1996 |
| 5524145 |
Incoming call completion threshold restriction |
Jun. 4, 1996 |
| 5521971 |
Communication network control method |
May. 28, 1996 |
| 5506893 |
Telecommunication network arrangement for providing real time access to call records |
Apr. 9, 1996 |
| 5436957 |
Subscriber control of access restrictions on a plurality of the subscriber's telephone lines |
Jul. 25, 1995 |
| 5392335 |
Arrangement for preventing perpetration of toll fraud through an adjunct processor |
Feb. 21, 1995 |
| 5249219 |
Integration of voice store and forward facility |
Sep. 28, 1993 |
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