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Browse by Category: Main > Communications
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:
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Patent Number Title Of Patent Date Issued
8638921 On-demand call blocking service Jan. 28, 2014
8457181 Rate agile rate-adaptive digital subscriber line Jun. 4, 2013
8416938 Programmable caller ID Apr. 9, 2013
8406410 On-demand call blocking service Mar. 26, 2013
8355493 Next generation auto-dialer Jan. 15, 2013
8340638 System and method of maintaining communications policy settings in a wireless network Dec. 25, 2012
8340263 System and method for incremental do-not-disturb Dec. 25, 2012
8243909 Programmable caller ID Aug. 14, 2012
8218752 On-demand call blocking service Jul. 10, 2012
8155293 System and method for restricting and monitoring telephone calls Apr. 10, 2012
8150377 System and method of maintaining communications policy settings in a wireless network Apr. 3, 2012
8050394 System and method for control of communications connections and notifications Nov. 1, 2011
8045689 Method and system for call screening Oct. 25, 2011
7877265 System and method for automated customer feedback Jan. 25, 2011
7664249 Methods and interfaces for probing and understanding behaviors of alerting and filtering systems based on models and simulation from logs Feb. 16, 2010
7650140 System and method of maintaining communications policy settings in a wireless network Jan. 19, 2010
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
5790636 Telephone travel card system under the control of its customers Aug. 4, 1998
5790645 Automatic design of fraud detection systems 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

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