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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 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 ...
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 ...
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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 ...
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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 ...
Local network alert system for mobile devices using an ims session and wi-fi access point
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 ...
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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 ...
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 ...
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