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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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Mobile communication system, communication control device, mobility management entity, and mobile communication method
Ntt Docomo, Inc.
October 26, 2017 - N°20170311151

A home subscriber server (hss) determines whether roaming of voice communication via an ip multimedia subsystem (ims) is supported in the visited public land mobile network (vplmn) or not, and transmits to a mobility management entity (mme) a signal that includes a ‘voice supported’ or ‘voice not supported’ indicator that indicates whether the roaming is supported ...
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 ...
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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 ...
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Local network alert system for mobile devices using an ims session and wi-fi access point
At&t Intellectual Property I, L.p.
May 25, 2017 - N°20170150336

A wireless emergency alert system (also known as a wireless emergency alert system, or “wea,” and formerly known as a commercial mobile alert system, or “cmas”) receives a geotargeted federal alert that is to be delivered to mobile devices within a defined geographic region. A database of locations of access points is ...
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 ...
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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 ...
Method and system for managing user location information in a communication system
At&t Intellectual Property I, L.p.
February 16, 2017 - N°20170048075

A system that incorporates the subject disclosure may include, for example, receive a subscription from an application server where the subscription identifies a session event and/or sub-events occurring in a communication session for which the application server requests user location information, provide subscription information based on the subscription to core network nodes of the mobile communications network, receive user ...
System and method of providing a user with a registration in ims system
At&t Intellectual Property I, L.p.
January 26, 2017 - N°20170026927

Disclosed are a network-based device, method and computer-readable medium for operating an ip multimedia subsystem (ims) to provide registration review. The method embodiment includes tracking and storing all current registrations for each user in an ims system, receiving a request from a user for a status of the user's current registrations and presenting, in response to the request, the current ...
Apparatus and method for distributing social presence information based on calendar events
Samsung Electronics Co., Ltd.
January 26, 2017 - N°20170026480

A method of providing a social presence service in a mobile device. The method comprises: i) detecting in the mobile device a change in a calendar event associated with a first user; ii) in response to detecting the calendar event change, modifying in the mobile device social presence information associated with the first user; and iii) publishing the modified social ...
Handling of access capability information in a mobile network
Telefonaktiebolaget Lm Ericsson (publ)
November 24, 2016 - N°20160345226

In a mobile network with a plurality of access networks, a control node controls access of a user equipment to that one of the access networks which is currently used by the user equipment. The control node determines an access capability of the user equipment in the access network. The access capability includes whether an ip multimedia subsystem (ims) voice ...
Overlay implementation of ims centralized service network system with selection of serving network entity within ...
Nokia Solutions And Networks Oy
November 17, 2016 - N°20160337955

In a mobile communication networks system supporting ip multimedia subsystem, ims, centralized services, there are provided measures for enabling/realizing an overlay implementation of a ims centralized service network system taking into account a pool of network entities with different ims centralized services capabilities. Such measures based on a ims centralized-services applicability for a terminal requesting attachment and an ims ...
User equipment having web real time comunication architecture
Broadcom Corporation
November 17, 2016 - N°20160337852

A communication device configured to provide web real-time communication (webrtc) for internet protocol (ip) multimedia services utilizing one or more 3gpp protocols. The communication device can be configured to authenticate communication with one or more clients using one or more ip multimedia subsystem (ims) credentials. The communication device can also be configured to convert communications between webrtc and 3gpp protocols ...
Controlling volte service at vehicle telematics units
General Motors Llc
November 03, 2016 - N°20160323814

A system and method of controlling a volte-capable vehicle telematics unit includes: detecting the location of the vehicle telematics unit; determining that one or more cell towers within a range of the location have begun supporting a modern cellular protocol in addition to one or more other cell towers supporting an earlier cellular protocol; and wirelessly transmitting an over-the-air (ota) ...
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