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Ip Multimedia Subsystem

Ip Multimedia Subsystem-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Method and system for reporting a short message capability via an ip multimedia subsystem
Interdigital Technology Corporation
April 12, 2018 - N°20180103357

A method and apparatus for operation by a base station are provided. The base station may be configured to receive a request for attachment from a wtru and transmit and receive authentication messages between the wtru and a cellular core network including an hlr. A registration request may be received from the wtru via sip, the registration request indicating a ...
Using device location for emergency calls
Microsoft Technology Licensing, Llc
February 22, 2018 - N°20180054721

Embodiments relate to making ip-based (internet protocol based) emergency calls. A device is capable of making calls over the internet to an ip multimedia subsystem (ims) core to a public-safety answering point (psap). The device computes location information based on its actual or estimated physical location. The location information may be computed prior to making an emergency call, for instance ...
Ip-based ussd communications
T-mobile Usa, Inc.
February 08, 2018 - N°20180041550

A ussd (unstructured supplementary service data) message may be transmitted by a communication device to an ims (ip multimedia subsystem) within a sip (session initiation protocol) invite message, where it is received by a tas (telephony application server). The tas sends the ussd message to an hss (home subscriber service) of the ims using an existing diameter sh interface between ...
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Provision of location information in an ip multimedia subsystem network
Telefonaktiebolaget Lm Ericsson (publ)
February 08, 2018 - N°20180041350

A method of providing location-related charging information to a charging system associated with an ip multimedia subsystem, ims, network, where the location-related charging information relates to a session or session initiation or an event involving at least two users. The method comprises, at a charging trigger function, ctf, within the ims network, receiving a session initiation protocol, sip, message from ...
Method to support service continuity for multiple sessions
Mediatek Inc.
November 30, 2017 - N°20170346860

A method to manage call continuity in a network environment including a circuit-switched network and an ip multimedia subsystem (ims) network is provided. A ue monitors one or more ongoing sessions in an ims network, and the ongoing sessions contain at least one conference call. The ue detects a network-switching event for the ue to switch from the ims network ...
Enabling dual registration of user equipment with ip multimedia subsystems
Telefonaktiebolaget Lm Ericsson (publ)
November 23, 2017 - N°20170339655

A method of enabling dual registration of a user equipment, ue, with first and second internet protocol multimedia subsystem, ims, networks, the method comprising, in response to a connection request made to a gateway node by the ue, sending to the ue, network addresses of respective first and second proxy call session control functions, p-cscf, the first and second p-cscfs ...
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Multi-endpoint design for epdg supported devices
Samsung Electronics Co., Ltd.
October 05, 2017 - N°20170289203

A server, method, and non-transitory computer-readable medium for multi-endpoint design for ims supported devices. The server includes a memory, a communication interface, and one or more processors operably connected to the memory and the communication interface. The one or more processors are configured to cause the communication interface to simultaneously transmit the incoming call to both (i) the primary device ...
Extending and re-using an ip multimedia subsystem (ims)
T-mobile Usa, Inc.
October 05, 2017 - N°20170289158

Systems and methods for extending and re-using an ip multimedia subsystem (ims) to extend the trust relationship from a closed group of customers of wireless service providers to users of other ecosystems (e. G., gmail, facebook, or yahoo!) for ims services. Some embodiments include receiving a request from an initiating device to establish a service connection between the initiating device ...
Method, apparatus and computer program product for provisioning multiple user identities in an ip multimedia ...
Nokia Solutions And Networks Oy
September 21, 2017 - N°20170272939

A mechanism for an apparatus in a communication network is described. The mechanism comprises receiving provisioning from a second apparatus, wherein said provisioning comprising at least a public identity and a pre-defined range of private identity associated with the public identity, receiving a request comprising a first public identity and its associated private identity from a third apparatus, determining the ...
Method for ensuring media stream security in ip multimedia sub-system
Invt Spe Llc
August 17, 2017 - N°20170237713

A method for ensuring media stream security in an ip multimedia subsystem network is disclosed. The method includes: assigning an end-to-end media stream security key for a calling user equipment (ue) or a called ue, by a network device with which the calling ue or the called ue is registered, respectively, and transmitting the media stream security key to a ...
Method and apparatus for supporting an emergency call service in an ip multimedia subsystem session ...
Nokia Technologies Oy
August 03, 2017 - N°20170223515

A method, apparatus and computer program product are provided to facilitate the handover from a packet switched network to a circuit switched network while an internet protocol (ip) multimedia subsystem (ims) session is ongoing. In the context of a method, a notification is received of the handover from a packet switched network to a circuit switched network while an ims ...
Method, apparatus, and system for disaster recovery of ims
Huawei Technologies Co., Ltd.
July 06, 2017 - N°20170195873

A method, apparatus, and system for disaster recovery of an ip multimedia subsystem (ims) are provided. The method includes: triggering a redundant call session control function (cscf); obtaining, by the redundant cscf, user backup data of registered ims private user identities (impis) that are associated with impus and user service configuration data of ims public user identities (impus) in an ...
Internet protocol television audio and video calling
At&t Intellectual Property I, L.p.
June 15, 2017 - N°20170171512

A system that incorporates teachings of the present disclosure may include, for example, a computer-readable storage medium in a media controller having computer instructions to execute a soft-phone client application on the media processor, receive an audio call or a video call originating from an ip multimedia subsystem network where the calls are directed to the media processor by a ...
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Method for connecting ims-based service
Lg Electroniics Inc.
May 18, 2017 - N°20170142706

The present specification provides a method for connecting an ip multimedia subsystem (ims)-based service in a terminal. The method for connecting the ims-based service, includes the steps of: setting a cause value denoting signaling or due to the ims in an establishment cause field, when a session initiation protocol (sip)-based message is required to be transmitted on a ...
Methods and nodes for managing subscription-related information of users in an ip multimedia subsystem as ...
Telefonaktiebolaget Lm Ericsson (publ)
May 04, 2017 - N°20170126747

A method and a node for storing subscription-related information and a method carried out in a node including a call session control function or applications server function and a corresponding node. There is a need to diminish signaling load in an ims and/or shorten signaling time, particularly when updating user profiles in respect to service profiles. This is addressed ...
Apparatuses and methods for coordinating communication operations associated with a plurality of subscriber identity cards ...
Mediatek Inc.
April 27, 2017 - N°20170118255

A mobile communication device including a wireless transceiver and a wireless transceiver is provided. The wireless transceiver performs wireless transmission and reception to and from a first service network and a second service network. The controller uses a first subscriber identity card to establish one or more first radio bearers with the first service network via the wireless transceiver, uses ...
Encrypted communication method and apparatus
Datang Mobile Communications Equipment Co., Ltd.
April 27, 2017 - N°20170118026

Provided are a method and apparatus for achieving encrypted communications, which are used for achieving a secure session between a calling ue and a called ue in an ip multimedia subsystem (ims) architecture, so as to prevent a session message from being eavesdropped in a session process. The method of the present invention comprises: receiving, by a network-side device, first ...
Connecting a circuit-switched wireless access network to an ip multimedia subsystem
Intermec Ip Corp.
April 20, 2017 - N°20170111953

A network device performs a delayed registration in connection with phone call setup, if the network device does not know a phone number of a user in question at the time of updating the location updating. In addition, the network device performs user authentication and creates and maintains an encrypted and secure network connection between the network device and an ...
Communication method and communication device supporting uniform resource identifier
Mediatek Singapore Pte. Ltd.
March 30, 2017 - N°20170093928

Communication methods supporting uniform resource identifier applicable to communication devices supporting uniform resource identifier and communication devices are provided. The communication device includes at least one processor and at least one memory including program code, wherein when the program code is executed by the processor, the communication device is configured to: receive a communication input comprising a telephone number or ...
Method and apparatus for determining ims connectivity through non-3gpp access networks
Nokia Technologies Oy
March 16, 2017 - N°20170078957

A method, apparatus and computer program product are provided for determining ims connectivity through non-3gpp access networks. A method is provided for receiving, in response to an access network query, an available public land mobile network (plmn) list; wherein the plmn list comprises an ip multimedia subsystem access point name (ims apn) indication for the respective plmns with ims ...
Methods and apparatuses for providing quality of service dependent services to mobile clients in multiple ...
Qualcomm Incorporated
February 16, 2017 - N°20170048790

In one aspect, wireless communications may be provided by routing packets from a wireless communication device to a wide area network via a first network, wherein the packets comprise data for a first service and a second service. Upon determining that a second network is assigned as a default network, data for the first service and the second service may ...
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