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Browse by Category: Main > Communications
Class Information
Number: 379/221.13
Name: Telephonic communications > Plural exchange network or interconnection > With interexchange network routing > Local number portability (lnp)
Description: Subject matter wherein a subscriber is assigned to or selects one of a plurality of competitive service providers such that the subscriber can change from one service provider to another without changing the subscriber s station address.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8712030 Systems and methods for processing telephone calls Apr. 29, 2014
8693667 Systems and methods for processing telephone calls Apr. 8, 2014
8683057 Method for conversion between SIP message and ISUP message and conversion apparatus Mar. 25, 2014
8570906 Method and apparatus for assigning a virtual number during porting of a primary number Oct. 29, 2013
8559614 Systems and methods of providing multi-homed tandem access Oct. 15, 2013
8520828 Methods, systems, and computer program products for providing telecommunications services between a session initiation protocol (SIP) network and a signaling system 7 (SS7) network Aug. 27, 2013
8498400 Method and system for implementing number portability service Jul. 30, 2013
8477927 Proactive telephone number mapping configuration management Jul. 2, 2013
8467516 Methods, systems, and computer program products for processing a nature of address indicator and/or calling party number to support telecommunication features Jun. 18, 2013
8447024 Systems and methods for providing ENUM in an LNP environment May. 21, 2013
8428235 Telephone call processing Apr. 23, 2013
8401547 System and method for enhanced content access Mar. 19, 2013
8363815 Proactive telephone number mapping configuration management Jan. 29, 2013
8355495 Multi vendor NPAC administration peering Jan. 15, 2013
8311538 System and method for enhanced content access Nov. 13, 2012
8306518 Handset service migration automation and subscriber identity module tracking Nov. 6, 2012
8275112 Systems and methods of providing multi-homed tandem access Sep. 25, 2012
8265257 System and method for determining telephone number blocks available for pooling donation Sep. 11, 2012
8265258 Functionalities for local number portability in a telecommunications network Sep. 11, 2012
8265259 Functionalities for local number portability in a telecommunications network Sep. 11, 2012
8259921 Method of VoIP number portability using wireless device Sep. 4, 2012
8254553 Systems, methods, and computer program products for number translation with local directory number support Aug. 28, 2012
8223949 Method, apparatus and software for providing communications between a packet switched network and a public switched telephone network Jul. 17, 2012
8224337 Methods, systems, and computer readable media for providing foreign routing address information to a telecommunications network gateway Jul. 17, 2012
8213440 Methods, systems, and computer program products for using a location routing number based query and response mechanism to route calls to IP multimedia subsystem (IMS) subscribers Jul. 3, 2012
8213593 Methods, systems, and computer program products for processing a nature of address indicator and/or calling party number to support telecommunication features Jul. 3, 2012
8204500 Optimal voicemail deposit for roaming cellular telephony Jun. 19, 2012
8184798 Methods, systems and computer program products for accessing number portability (NP) and E.164 number (ENUM) data using a common NP/ENUM data locator structure May. 22, 2012
8180026 Method and apparatus for managing a call May. 15, 2012
8175250 Dialed number service routing in a telephone network by reference to a database May. 8, 2012
8175251 Method and system to bypass ENUM to reach a callee via a PSTN or a PLMN May. 8, 2012
8160230 Integrated number portability and user mobility for a communication system Apr. 17, 2012
8155295 Method and apparatus for tracking allocated phone numbers Apr. 10, 2012
8155281 Cross-media voice mail notification and delivery Apr. 10, 2012
8144859 Integrated ENUM and number portability translation in a communication system Mar. 27, 2012
8102988 Method and system for dynamically terminating wireless and wireline calls between carriers Jan. 24, 2012
8085760 Method of and system for providing intelligent network control services in IP telephony Dec. 27, 2011
8078167 Local number portability for mobility management Dec. 13, 2011
8073127 Methods, systems, and computer program products for using a location routing number based query and response mechanism to effect subscriber cutover Dec. 6, 2011
8059792 Method and system for message routing Nov. 15, 2011
8036352 Method and system for determining migration of ported telephone numbers between service providers Oct. 11, 2011
8027319 Methods and systems for wireless number portability without WNP query Sep. 27, 2011
8019073 Systems and methods for implementing split numbering plan area codes in an IMS network Sep. 13, 2011
8005494 Providing to sender of message an identifier of service provider associated with recipient of the message Aug. 23, 2011
8000464 Method of managing a peering database in a telecommunications network Aug. 16, 2011
7995738 Method of managing a peering database in a telecommunications network Aug. 9, 2011
7969967 Number portability for an IMS network Jun. 28, 2011
7965830 Network element and method of mapping address information Jun. 21, 2011
7961864 Local number portability cross connect method Jun. 14, 2011
7953415 Method and system for wireless number portability May. 31, 2011

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