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公开(公告)号：US11818791B2
公开(公告)日：2023-11-14
申请号：US17190272
申请日：2021-03-02
申请人： T-Mobile USA, Inc.
摘要： An emergency route back number (ERBN) may be assigned for use in emergency calls. A telecommunication network associated that may be associated with a wireless service provider, may identify an emergency call directed to an emergency number (e.g., 9-1-1) that originated from a device that is not associated with a unique phone number such as a shared line, or a communication that utilizes some other indicator to establish the emergency call (e.g., an email address, or some other identifier). When an emergency call is detected that does not have a dedicated phone number, an ERBN is assigned to the communication. This ERBN may be reserved for some period of time after the emergency call ends such that emergency contact centers are able to reach callers back in case of dropped calls, fails, and/or additional emergency services that may need to reach the callers directly.
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公开(公告)号：US20240291871A1
公开(公告)日：2024-08-29
申请号：US18658261
申请日：2024-05-08
申请人： T-Mobile USA, Inc.
IPC分类号： H04L65/1016 , H04L61/503 , H04L65/00 , H04L65/1073 , H04L65/1101 , H04L65/1104 , H04M15/00 , H04W8/04
CPC分类号： H04L65/1016 , H04L61/503 , H04L65/00 , H04L65/1073 , H04L65/1101 , H04L65/1104 , H04M15/66 , H04W8/04
摘要： A network operator can partition network elements, including elements of an IP Multimedia Subsystem (IMS) or Policy and Charging Rules Functions (PCRFs) into groups reserved for specific types of subscribers. When a user equipment (UE) registers with an IMS, elements of the IMS can contact a Home Subscriber Server (HSS) to determine a subscriber type associated with the UE. Based on the UE's subscriber type, an IMS element can determine an application server or other IMS element to contact about the UE based on identifying application servers or IMS elements that are also associated with the same subscriber type as the UE. Similarly, an IMS element can determine a PCRF to contact about the UE based on identifying a PCRF that is associated with the same subscriber type as the UE.
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公开(公告)号：US11223604B2
公开(公告)日：2022-01-11
申请号：US16121249
申请日：2018-09-04
申请人： T-Mobile USA, Inc.
摘要： Systems and methods for preventing aggressive or abusing signaling on networks are disclosed. When a user equipment (UE), such as a cell phone, sends a request to a network (e.g., a REGISTER, SUBSCRIBE, or PUBLISH request), a network entity can start a “guard timer” and/or increment a “guard counter.” The guard timer can comprise a predetermined amount of time within which one or more additional requests from the same UE will be ignored. Similarly, the guard timer can be used in conjunction with a guard counter. The guard counter can enable a UE to make a predetermined number of requests before the guard timer expires. If the UE exceeds the guard counter before the guard timer expires, any additional requests will be ignored. When the guard timer expires, the guard counter is reset to zero to enable the UE to make additional requests.
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公开(公告)号：US20230088323A1
公开(公告)日：2023-03-23
申请号：US18070003
申请日：2022-11-28
申请人： T-Mobile USA, Inc.
IPC分类号： H04L65/1016 , H04L65/1073 , H04M15/00 , H04W8/04 , H04L61/503 , H04L65/00 , H04L65/1101 , H04L65/1104
摘要： A network operator can partition network elements, including elements of an IP Multimedia Subsystem (IMS) or Policy and Charging Rules Functions (PCRFs) into groups reserved for specific types of subscribers. When a user equipment (UE) registers with an IMS, elements of the IMS can contact a Home Subscriber Server (HSS) to determine a subscriber type associated with the UE. Based on the UE's subscriber type, an IMS element can determine an application server or other IMS element to contact about the UE based on identifying application servers or IMS elements that are also associated with the same subscriber type as the UE. Similarly, an IMS element can determine a PCRF to contact about the UE based on identifying a PCRF that is associated with the same subscriber type as the UE.
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公开(公告)号：US20210282218A1
公开(公告)日：2021-09-09
申请号：US17190272
申请日：2021-03-02
申请人： T-Mobile USA, Inc.
摘要： An emergency route back number (ERBN) may be assigned for use in emergency calls. A telecommunication network associated that may be associated with a wireless service provider, may identify an emergency call directed to an emergency number (e.g., 9-1-1) that originated from a device that is not associated with a unique phone number such as a shared line, or a communication that utilizes some other indicator to establish the emergency call (e.g., an email address, or some other identifier). When an emergency call is detected that does not have a dedicated phone number, an ERBN is assigned to the communication. This ERBN may be reserved for some period of time after the emergency call ends such that emergency contact centers are able to reach callers back in case of dropped calls, fails, and/or additional emergency services that may need to reach the callers directly.
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公开(公告)号：US20230043429A1
公开(公告)日：2023-02-09
申请号：US17967816
申请日：2022-10-17
申请人： T-Mobile USA, Inc.
IPC分类号： H04W4/12 , H04L65/1104 , H04M15/00 , H04L65/1069 , H04L65/1073 , H04L65/1016 , H04W76/11
摘要： Techniques and systems for recovering a communication session from a dedicated bearer failure are disclosed. For example, a P-CSCF node can determine that a dedicated bearer associated with a communication session has failed, and, in response, send a SIP message to a UE associated with the communication session, the SIP message causing the UE to refrain from sending SIP requests using a SIP INVITE method. The process may further include identifying a first network node associated with an identifier of the UE, the first network node comprising one of a PGW or a SMF, and sending an instruction to the first network node to dissociate the dedicated bearer from the communication session. This causes a new attach procedure to be performed by the UE to recover the session without session failure.
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公开(公告)号：US11516261B2
公开(公告)日：2022-11-29
申请号：US16442343
申请日：2019-06-14
申请人： T-Mobile USA, Inc.
IPC分类号： H04L65/1016 , H04L65/1073 , H04M15/00 , H04L61/503 , H04L65/1101 , H04L65/1104 , H04W8/04 , H04L65/00
摘要： A network operator can partition network elements, including elements of an IP Multimedia Subsystem (IMS) or Policy and Charging Rules Functions (PCRFs) into groups reserved for specific types of subscribers. When a user equipment (UE) registers with an IMS, elements of the IMS can contact a Home Subscriber Server (HSS) to determine a subscriber type associated with the UE. Based on the UE's subscriber type, an IMS element can determine an application server or other IMS element to contact about the UE based on identifying application servers or IMS elements that are also associated with the same subscriber type as the UE. Similarly, an IMS element can determine a PCRF to contact about the UE based on identifying a PCRF that is associated with the same subscriber type as the UE.
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公开(公告)号：US20190356635A1
公开(公告)日：2019-11-21
申请号：US16121249
申请日：2018-09-04
申请人： T-Mobile USA, Inc.
摘要： Systems and methods for preventing aggressive or abusing signaling on networks are disclosed. When a user equipment (UE), such as a cell phone, sends a request to a network (e.g., a REGISTER, SUBSCRIBE, or PUBLISH request), a network entity can start a “guard timer” and/or increment a “guard counter.” The guard timer can comprise a predetermined amount of time within which one or more additional requests from the same UE will be ignored. Similarly, the guard timer can be used in conjunction with a guard counter. The guard counter can enable a UE to make a predetermined number of requests before the guard timer expires. If the UE exceeds the guard counter before the guard timer expires, any additional requests will be ignored. When the guard timer expires, the guard counter is reset to zero to enable the UE to make additional requests.
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公开(公告)号：US12052294B2
公开(公告)日：2024-07-30
申请号：US18070003
申请日：2022-11-28
申请人： T-Mobile USA, Inc.
IPC分类号： H04L65/1016 , H04L61/503 , H04L65/00 , H04L65/1073 , H04L65/1101 , H04L65/1104 , H04M15/00 , H04W8/04
CPC分类号： H04L65/1016 , H04L61/503 , H04L65/00 , H04L65/1073 , H04L65/1101 , H04L65/1104 , H04M15/66 , H04W8/04
摘要： A network operator can partition network elements, including elements of an IP Multimedia Subsystem (IMS) or Policy and Charging Rules Functions (PCRFs) into groups reserved for specific types of subscribers. When a user equipment (UE) registers with an IMS, elements of the IMS can contact a Home Subscriber Server (HSS) to determine a subscriber type associated with the UE. Based on the UE's subscriber type, an IMS element can determine an application server or other IMS element to contact about the UE based on identifying application servers or IMS elements that are also associated with the same subscriber type as the UE. Similarly, an IMS element can determine a PCRF to contact about the UE based on identifying a PCRF that is associated with the same subscriber type as the UE.
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公开(公告)号：US11930425B2
公开(公告)日：2024-03-12
申请号：US17967816
申请日：2022-10-17
申请人： T-Mobile USA, Inc.
IPC分类号： H04W4/12 , H04L65/1016 , H04L65/1069 , H04L65/1073 , H04L65/1104 , H04M15/00 , H04W76/11
CPC分类号： H04W4/12 , H04L65/1016 , H04L65/1069 , H04L65/1073 , H04L65/1104 , H04M15/66 , H04W76/11
摘要： Techniques and systems for recovering a communication session from a dedicated bearer failure are disclosed. For example, a P-CSCF node can determine that a dedicated bearer associated with a communication session has failed, and, in response, send a SIP message to a UE associated with the communication session, the SIP message causing the UE to refrain from sending SIP requests using a SIP INVITE method. The process may further include identifying a first network node associated with an identifier of the UE, the first network node comprising one of a PGW or a SMF, and sending an instruction to the first network node to dissociate the dedicated bearer from the communication session. This causes a new attach procedure to be performed by the UE to recover the session without session failure.
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