Patents by Inventor A. Karl Corona
A. Karl Corona has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250063092Abstract: Various embodiments comprise a wireless communication network to maintain multimedia sessions in response to bearer failure. In some examples, the wireless communication network comprises Call Session Control Function (CSCF) circuitry. The CSCF circuitry requests a dedicated bearer to serve a requested multimedia session in response to a multimedia session request for a user device received over a default bearer. The CSCF circuitry receives an error message that comprises an error code indicating the dedicated bearer could not be established. The CSCF circuitry determines when the default bearer can support the requested multimedia session based on the error code. The CSCF circuitry maintains the default bearer for the user device and establishes the requested multimedia session over the default bearer when the default bearer can support the requested multimedia session.Type: ApplicationFiled: August 14, 2023Publication date: February 20, 2025Inventors: A. Karl Corona, Nassereddine Sabeur, Joel Lee Arends
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Patent number: 12200018Abstract: Methods and systems for restricting communication services over a network. The method includes detecting a Session Initiation Protocol (SIP) register message originating from a specific network Public Land Mobile Network (PLMN) that is included in a restricted PLMN list identified by a P-Access-Network-Information header (P-ANI). The method further includes implementing a policy to remove RCS and presence capability feature tags from a subsequent SIP register message. The lack of feature tags to Serving Call Session Control Function (S-CSCF) will prohibit triggering of Third Party Registration to different application servers.Type: GrantFiled: May 12, 2023Date of Patent: January 14, 2025Assignee: T-MOBILE INNOVATION LLCInventors: Saqib Badar, Mehul Jayant Shah, A. Karl Corona, Ayman Zaki
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Patent number: 12177212Abstract: In a telecommunication network, a Serving Call Session Control Function (S-CSCF) may be coupled with a Fifth Generation (5G) Equipment Identity Register (EIR) via an N17? interface. In some examples, the S-CSCF can use the N17? interface instead of a diameter protocol for communicating with the 5G-EIR. The S-CSCF can send a request to the 5G-EIR including a Permanent Equipment Identifier (PEI) associated with a user equipment (UE). In response, the S-CSCF can receive identity data indicative of whether the UE is authorized, not authorized, partially authorized, or unknown. Based on the identity data, the S-CSCF can authenticate a user equipment (UE) accessing a network. In some examples, the S-CSCF may route requests between a 5G-EIR and an EIR. In some examples, this authentication step can comprise a second-level authentication to identify stolen or fraudulent devices and to prevent such devices from accessing the network.Type: GrantFiled: October 15, 2020Date of Patent: December 24, 2024Assignee: T-Mobile USA, Inc.Inventors: A. Karl Corona, Jim Udom, Shujaur Mufti
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Publication number: 20240380793Abstract: Methods and systems for restricting communication services over a network. The method includes detecting a Session Initiation Protocol (SIP) register message originating from a specific network Public Land Mobile Network (PLMN) that is included in a restricted PLMN list identified by a P-Access-Network-Information header (P-ANI). The method further includes implementing a policy to remove RCS and presence capability feature tags from a subsequent SIP register message. The lack of feature tags to Serving Call Session Control Function (S-CSCF) will prohibit triggering of Third Party Registration to different application servers.Type: ApplicationFiled: May 12, 2023Publication date: November 14, 2024Inventors: Saqib BADAR, Mehul Jayant SHAH, A. Karl CORONA, Ayman ZAKI
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Publication number: 20240305676Abstract: A user equipment (UE) can attempt to register with an IP Multimedia Subsystem (IMS) that includes Call Session Control Functions (CSCFs), such as a Proxy CSCF (P-CSCF), an Interrogating CSCF (I-CSCF), and a Serving CSCF (S-CSCF). In situations in which IMS registration procedures may otherwise fail for the UE, due to an unreachable I-CSCF and/or S-CSCF, a P-CSCF can pseudo-register the UE with the IMS by informing the UE that the UE is registered with the IMS. If the UE attempts to initiate a service via the IMS while being pseudo-registered with the IMS, the P-CSCF can instruct other IMS elements to accept the UE and provide the service to the UE even though the UE is not fully registered with the IMS.Type: ApplicationFiled: May 20, 2024Publication date: September 12, 2024Inventors: A. Karl Corona, Saqib Badar, Shujaur Mufti
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Publication number: 20240259437Abstract: Techniques for managing termination causes for a call associated with a Policy Authorization Service of a 5G system are described herein. A telecommunications network can implement a server to determine a cause for a communication session associated with a user equipment (UE) to terminate, and include the cause in a Policy Authorization Service message. The server can identify a value representing the cause for the communication session to terminate, and add the value to the Policy Authorization Service message. The server can evaluate performance of the telecommunications network based on analysis of the causes over time.Type: ApplicationFiled: January 30, 2023Publication date: August 1, 2024Inventor: A. Karl Corona
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Patent number: 12021904Abstract: A user equipment (UE) can attempt to register with an IP Multimedia Subsystem (IMS) that includes Call Session Control Functions (CSCFs), such as a Proxy CSCF (P-CSCF), an Interrogating CSCF (I-CSCF), and a Serving CSCF (S-CSCF). In situations in which IMS registration procedures may otherwise fail for the UE, due to an unreachable I-CSCF and/or S-CSCF, a P-CSCF can pseudo-register the UE with the IMS by informing the UE that the UE is registered with the IMS. If the UE attempts to initiate a service via the IMS while being pseudo-registered with the IMS, the P-CSCF can instruct other IMS elements to accept the UE and provide the service to the UE even though the UE is not fully registered with the IMS.Type: GrantFiled: August 17, 2021Date of Patent: June 25, 2024Assignee: T-Mobile USA, Inc.Inventors: A. Karl Corona, Saqib Badar, Shujaur Rehman Mufti
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Publication number: 20240129806Abstract: A network may include a proxy-call session control function (P-CSCF) of a communication network that is configured to determine, record, and report on call types of calls originating from user equipment associated with the communication network. In some cases, the P-CSCF may determine the call type based on radio access technology types reported by the originating user equipment and/or by a proxy control function associated with the call.Type: ApplicationFiled: October 17, 2022Publication date: April 18, 2024Inventors: Joel Arends, Nassereddine Sabeur, Saqib Badar, A. Karl Corona
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Patent number: 11792694Abstract: When initiating a Voice-over-IP (VoIP) communication session between an originating device (MO) and a terminating device (MT) on a packet-switched network, network components associated with the MO may encounter a failure when preparing resources for the session, such as a failure to establish a dedicated bearer with the MO. This might typically cause the system to abort the session. Instead, the network components are configured to detect the failure and to initiate a handover to a circuit-switched communication network so that the session may be conducted through the circuit-switched communication network. The failure may be detected by a component of a Long-Term Evolution (LTE) Radio Access Network (RAN) of the network, by a Mobility Management Entity (MME) of the network, or by some other network component. Single Radio Voice Call Continuity (SRVCC) procedures may be used to implement the handover.Type: GrantFiled: May 29, 2020Date of Patent: October 17, 2023Assignee: T-Mobile USA, Inc.Inventors: Kun Lu, Alan Denis MacDonald, Egil Gronstad, Hsin-Fu Henry Chiang, A. Karl Corona, Scott Francis Migaldi
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Patent number: 11589328Abstract: Systems and methods for categorizing communication data are described herein. The systems and methods enable an IMS core network to register a user equipment as a 5G-capable device and store communication data in a manner that differentiates the communication data from non-5G devices. Once identified as a 5G-capable device and information that 5G coverage is available is received, the registration message from the user equipment to the IMS core is modified to configure the IMS core to store the communication data as 5G communication data rather than non-5G communication data.Type: GrantFiled: July 26, 2019Date of Patent: February 21, 2023Assignee: T-Mobile USA, Inc.Inventors: Muhammad Tawhidur Rahman, A. Karl Corona
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Publication number: 20220124091Abstract: In a telecommunication network, a Serving Call Session Control Function (S-CSCF) may be coupled with a Fifth Generation (5G) Equipment Identity Register (EIR) via an N17? interface. In some examples, the S-CSCF can use the N17? interface instead of a diameter protocol for communicating with the 5G-EIR. The S-CSCF can send a request to the 5G-EIR including a Permanent Equipment Identifier (PEI) associated with a user equipment (UE). In response, the S-CSCF can receive identity data indicative of whether the UE is authorized, not authorized, partially authorized, or unknown. Based on the identity data, the S-CSCF can authenticate a user equipment (UE) accessing a network. In some examples, the S-CSCF may route requests between a 5G-EIR and an EIR. In some examples, this authentication step can comprise a second-level authentication to identify stolen or fraudulent devices and to prevent such devices from accessing the network.Type: ApplicationFiled: October 15, 2020Publication date: April 21, 2022Inventors: A. Karl Corona, Jim Udom, Shujaur Mufti
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Publication number: 20210377817Abstract: When initiating a Voice-over-IP (VoIP) communication session between an originating device (MO) and a terminating device (MT) on a packet-switched network, network components associated with the MO may encounter a failure when preparing resources for the session, such as a failure to establish a dedicated bearer with the MO. This might typically cause the system to abort the session. Instead, the network components are configured to detect the failure and to initiate a handover to a circuit-switched communication network so that the session may be conducted through the circuit-switched communication network. The failure may be detected by a component of a Long-Term Evolution (LTE) Radio Access Network (RAN) of the network, by a Mobility Management Entity (MME) of the network, or by some other network component. Single Radio Voice Call Continuity (SRVCC) procedures may be used to implement the handover.Type: ApplicationFiled: May 29, 2020Publication date: December 2, 2021Inventors: Kun Lu, Alan Denis MacDonald, Egil Gronstad, Hsin-Fu Henry Chiang, A. Karl Corona, Scott Francis Migaldi
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Patent number: 11165833Abstract: A routing device of a telecommunications network can receive an initiation request of a communication session. The initiation request can include a destination identifier associated with a terminal. The routing device can query a responder for terminal-associated serving-network information. The routing device can then forward the initiation request to a serving network identified by the serving-network information. In some examples, the responder can query a registry for network-attachment information indicating a current media path associated with the terminal. The responder can provide the serving-network information based at least in part on the network-attachment information. In some examples, the destination identifier can include a global name, and the serving-network information can include an associated local name In some examples, the routing device can include an S-CSCF or ISBC, the responder can include an ENUM server, or the registry can include an HSS.Type: GrantFiled: November 2, 2016Date of Patent: November 2, 2021Assignee: T-Mobile USA, Inc.Inventors: A. Karl Corona, Robert Ara Kondakjian, Nassereddine Sabeur
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Publication number: 20210029659Abstract: Systems and methods for categorizing communication data are described herein. The systems and methods enable an IMS core network to register a user equipment as a 5G-capable device and store communication data in a manner that differentiates the communication data from non-5G devices. Once identified as a 5G-capable device and information that 5G coverage is available is received, the registration message from the user equipment to the IMS core is modified to configure the IMS core to store the communication data as 5G communication data rather than non-5G communication data.Type: ApplicationFiled: July 26, 2019Publication date: January 28, 2021Inventors: Muhammad Tawhidur Rahman, A. Karl Corona
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Publication number: 20180124124Abstract: A routing device of a telecommunications network can receive an initiation request of a communication session. The initiation request can include a destination identifier associated with a terminal. The routing device can query a responder for terminal-associated serving-network information. The routing device can then forward the initiation request to a serving network identified by the serving-network information. In some examples, the responder can query a registry for network-attachment information indicating a current media path associated with the terminal. The responder can provide the serving-network information based at least in part on the network-attachment information. In some examples, the destination identifier can include a global name, and the serving-network information can include an associated local name In some examples, the routing device can include an S-CSCF or ISBC, the responder can include an ENUM server, or the registry can include an HSS.Type: ApplicationFiled: November 2, 2016Publication date: May 3, 2018Inventors: A. Karl Corona, Robert Ara Kondakjian, Nassereddine Sabeur