WO2012096542A2 - 세션정보 부재시 단말간 세션 이동 제어 시스템 및 방법 - Google Patents

세션정보 부재시 단말간 세션 이동 제어 시스템 및 방법 Download PDF

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Publication number
WO2012096542A2
WO2012096542A2 PCT/KR2012/000325 KR2012000325W WO2012096542A2 WO 2012096542 A2 WO2012096542 A2 WO 2012096542A2 KR 2012000325 W KR2012000325 W KR 2012000325W WO 2012096542 A2 WO2012096542 A2 WO 2012096542A2
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WIPO (PCT)
Prior art keywords
media
terminal
session
movement
information
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PCT/KR2012/000325
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English (en)
French (fr)
Korean (ko)
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WO2012096542A3 (ko
Inventor
심재찬
문화신
허강석
김화숙
이동훈
유초롱
김상권
조기성
류원
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한국전자통신연구원
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Priority to KR1020110121837A priority Critical patent/KR101526492B1/ko
Application filed by 한국전자통신연구원 filed Critical 한국전자통신연구원
Priority to DE112012000480T priority patent/DE112012000480T5/de
Publication of WO2012096542A2 publication Critical patent/WO2012096542A2/ko
Publication of WO2012096542A3 publication Critical patent/WO2012096542A3/ko

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H04L65/1094—Inter-user-equipment sessions transfer or sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H04L65/1095—Inter-network session transfer or sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1096—Supplementary features, e.g. call forwarding or call holding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/148—Migration or transfer of sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1033—Signalling gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1063—Application servers providing network services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1073—Registration or de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets

Definitions

  • the present invention relates to a system and a control method for switching or moving media of a service session composed of a plurality of media flows to another terminal in a situation where a user is provided with a plurality of terminals through a All IP network.
  • Session mobility to guarantee service movement means that an ongoing session is moved to a target network or terminal when a change of an access network or a service using terminal occurs while a multimedia service session is in progress. In this way, when the session is moved, session disconnection does not occur and the corresponding service is provided without interruption is called service continuity.
  • the standardization of continuity guarantee between access networks according to the movement of terminals is performed to guarantee the continuity of multimedia services.
  • the standardization for continuity of multimedia service is guaranteed through session movement between terminals.
  • Session movement between terminals includes a method of moving all of the media constituting the session, and a method of moving only some of the media.
  • the session movement is performed using the information while the information on the session to be moved is known in advance.
  • Applicant Samsung Electronics, Publication No. 10-2010-0012082
  • a part of the media is separated from the ongoing session and moved to another terminal. I'm suggesting how.
  • the corresponding session information is not known in advance for the session movement, it is impossible to provide session movement between terminals in the conventional method.
  • the present invention even if the session information currently being serviced is not known in advance, it is possible to enable session movement and media movement between terminals.
  • Session Initiation Protocol SIP
  • FIG. 1 is a diagram illustrating a session movement control system for controlling session movement between terminals according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating a method for controlling session movement between terminals according to an embodiment of the present invention in the session movement control system of FIG. 1.
  • FIG. 3 illustrates an example of a configuration of a register message transmitted in step 214 of FIG. 2.
  • FIG. 4 illustrates another example of a configuration of a register message transmitted in step 214 of FIG. 2.
  • FIG. 5 illustrates an example of a notification message transmitted in operation 218 of FIG. 2.
  • FIG. 6 is a diagram illustrating an operation of a second terminal according to an embodiment of the present invention.
  • FIG. 7 is a diagram illustrating operation of an IMS entity according to an embodiment of the present invention.
  • FIG. 8 is a diagram illustrating an operation of a first terminal according to an embodiment of the present invention.
  • FIG. 9 is a diagram illustrating a configuration of a second terminal according to an embodiment of the present invention.
  • FIG. 10 is a diagram illustrating a configuration of an IMS entity according to an embodiment of the present invention.
  • FIG. 11 is a diagram illustrating a configuration of a first terminal according to an embodiment of the present invention.
  • An operation method of an object terminal provided with media movement between user terminals of a system for providing a media session between a source terminal and a remote terminal through an IMS entity and a continuity control server according to an aspect of the present invention is provided through a media session between a source terminal and a remote terminal.
  • Receiving user input information indicating a movement request of the provided media generating a register message requesting movement of the media according to the media movement request using the user input information, and transmitting the register message to the IMS entity; Steps.
  • an operating method of a source terminal providing media movement between user terminals of a system providing a media session between a source terminal and a remote terminal through an IMS entity and a continuity control server is connected between the source terminal and the remote terminal from a target terminal.
  • a method of operating an IMS entity that provides media movement between user terminals in a system that provides a media session between a source terminal and a remote terminal through an IMS entity and a continuity control server Receiving a register message requesting the movement of the media being provided through the media session, extracting information related to the media movement request from the register message, and using the extracted information to maintain a media session for the media And generating a notification message informing of the state in which the register message is received from the destination terminal, and transmitting the notification message to the source terminal.
  • FIG. 1 is a diagram illustrating a session movement control system for controlling session movement between terminals according to an embodiment of the present invention.
  • the session movement control system 100 enables media session connection between terminals through the IP Multimedia Subsystem (IMS) entity 150 and the continuity control server 140, and controls session movement between terminals.
  • IMS IP Multimedia Subsystem
  • the session movement control system 100 may be configured to allow users to use multimedia application services such as telephony, teleconferencing, telemedicine, and the like.
  • the session movement control system 100 may include a first terminal 110 of user A, a second terminal 120 of user A, a remote terminal 130 of user B, and a continuity control server 140. ) And IMS entity 150. 1 illustrates two terminals used by user A and one terminal of user B, but embodiments of the present disclosure are not limited thereto, and session connection and session movement between a plurality of terminals used by a plurality of users may be performed.
  • the first terminal 110 of the user A, the second terminal 120 of the user A, and the remote terminal 130 of the user B may have various forms such as a mobile phone, a smart phone, and an IPTV.
  • the continuity control server 140 is an application server that provides a service continuity control function based on IMS. In addition, the continuity control server 140 performs a control management function of a collaborative session.
  • a cooperative session is a logical set of IMS sessions spanning two or more terminals.
  • IMS entity 150 is a system that provides IMS functionality.
  • the IMS entity 150 enables packet exchange based on IP (Internet Protocol) to wired terminals and wireless terminals, and connects both wired and wireless terminals through IP (All-IP).
  • IP Internet Protocol
  • All-IP IP
  • IP based sessions are controlled by the Session Initiation Protocol (SIP).
  • SIP is a protocol for controlling sessions, and refers to a signaling protocol in which terminals to communicate with each other identify a location, find a location thereof, create a multimedia session with each other, or delete and change a created session.
  • SIP uses a SIP Uniform Resource Identifier (URI), which is similar to an email address, to distinguish each user, providing services without being dependent on the IP address.
  • URI SIP Uniform Resource Identifier
  • the first terminal 110 maintains at least one media session with the remote terminal 130.
  • the second terminal 110 may request media movement that the first terminal 110 maintains with the remote terminal 130 and is provided through a media session.
  • the second terminal 120 moves the media provided through some media sessions of the plurality of media sessions.
  • the plurality of media sessions may include a media session provided with a video media flow, a media session provided with an audio media flow, and a media session provided with a text media flow, and the second terminal 120 may include a video.
  • the media flow may request the movement of video data of the provided media session.
  • the continuity control server 140 When some media among the media that were being provided through the media session connected between the first terminal 110 and the remote terminal 130 are moved to the second terminal 120, the continuity control server 140 performs a cooperative session.
  • a media session connected to the first terminal 110 and the second terminal 120 may be managed.
  • the first terminal 110 may operate as a control UE having control over the media flow
  • the second terminal 120 may operate as a UE under control of the movement of the media flow.
  • the first terminal 110 is a source terminal for providing media movement between user terminals of the system for providing a media session between the source terminal and the remote terminal through the MS entity and the continuity control server
  • the second terminal 120 is a user It may be referred to as a destination terminal provided with media movement between terminals.
  • FIG. 2 is a diagram illustrating a method for controlling session movement between terminals according to an embodiment of the present invention in the session movement control system 100 of FIG. 1.
  • the first terminal 110 of user A and the remote terminal 130 of user B are using a service composed of two media. That is, a media path consisting of audio media and video media is connected between the first terminal 110 and the remote terminal 130 (10).
  • the user A wants to move the video media of the service being used to the second terminal 120 which is his other terminal, and the second terminal 120 is using the service session and the media session through the first terminal 110.
  • media movement control may be performed between the terminals 110, 120, and 130 through the following procedure.
  • the first terminal 110 discovers a target UE to which the media can move (210).
  • the first terminal 110 may use the Reg Event Package service provided by the IMS entity 150.
  • the second terminal 120 receives user input information from the user A (212).
  • the user input information may include identification information for distinguishing a media movement request of the second terminal 120 which is the target terminal, and a source terminal (here, the first terminal 110) in which an existing media session between the remote terminals 130 is set. It may include source terminal identification information to identify, media type information of the media to be moved included in the existing media session, and service identification information identifying a service including the media session to be moved.
  • the second terminal 120 transmits the user A's video media movement request to the IMS entity 150 using the REGISTER message of the Session Initiation Protocol (SIP) (214).
  • SIP Session Initiation Protocol
  • the register message includes user input information entered in operation 212 and is sent to IMS entity 150.
  • the IMS entity 150 transmits an OK message indicating the acceptance of the register message to the second terminal 120, indicating that the register message has been well received (216).
  • the IMS entity 150 transmits (218) the first terminal 110 to the first terminal 110 using a SIP NOTIFY message indicating the status of the media use request from the user A's second terminal 120.
  • the notification message of the SIP includes the user input information input in operation 212 transmitted through the register message and is transmitted to the first terminal 110.
  • the first terminal 110 transmits 220 to the IMS entity 150 using the OK message that the notification message has been normally received (220).
  • the first terminal 110 accepts the movement request of the desired video media to the second terminal 120, and determines whether to move the media session to the second terminal 120 (222).
  • the video media is transmitted from the user A's first terminal 110 to the second in accordance with the inter-user media movement control procedure defined in TS 24.337 of 3GPP.
  • the terminal 120 is moved (224).
  • a cooperative session is established 20 between the continuity control server 140, the first terminal 110, and the second terminal 120.
  • the audio media remains in the first terminal 110 (40), and the video media of user A
  • the other terminal moves to the second terminal 120 (30). That is, in using the service composed of user B and audio and video media, user A uses audio media through the first terminal 110 and video media through the second terminal 120.
  • FIG. 3 illustrates an example of a configuration of a register message transmitted in step 214 of FIG. 2.
  • FIG. 3 is an example of information configuration when using a contact header of a SIP register message transmitted in operation 214 of FIG. 2.
  • "+ g.3gpp.iut.solicit” is set to indicate identification information for identifying a media movement request of the terminal.
  • requested-ue "sip: user1_public1@home1.net” is set as terminal identification information (identification information of the first terminal 110 in FIG. 2) in which the zone session is set.
  • media-type "video” is set as media type information to be included in the existing session.
  • user input information may be set in the contact header of the register message and transmitted to the IMS entity 150.
  • 4 illustrates another example of a configuration of a register message transmitted in step 214 of FIG. 2. 4 illustrates an example of using a data area of a SIP register message transmitted in operation 214 of FIG. 2.
  • the data area may be represented by an XML body.
  • "Content-Type: application / vnd.3gpp.solicitation + xml” in the "Content-Type Header” to indicate identification information for distinguishing the media movement request of the terminal.
  • ⁇ requested-user-equipmentue-id "sip: user1_public1@home1.net” /> is set as terminal identification information for which an existing session is set.
  • ⁇ media-type> video ⁇ / media-type> is set as media type information to be included in an existing session.
  • ⁇ service-type srvc-id "urn: urn-7: 3gpp-service.ims.icsi.mmtel” /> is set as service identification information associated with the session including the media to be moved.
  • user input information may be set in the data area of the register message and transmitted to the IMS entity 150.
  • the IMS entity 150 is sent to the media move.
  • the request is informed by using the SIP notification message to the terminal, for example, the first terminal 110, which owns the requested media in which the session currently in progress is established.
  • FIG. 5 is an example of a SIP notification message transmitted in step 218 of FIG. 2 according to an embodiment of the present invention.
  • name "solicit iut” is set to unknown-param to indicate identification information for identifying a media movement request of a terminal.
  • name "sip: user1_public1@home1.net” is set as terminal identification information for which an existing session is set.
  • name "video” is set as media type information to be included in the existing session.
  • name "urn: urn-7: 3gpp-service.ims.icsi.mmtel” is set as service identification information associated with the session including the media to be moved.
  • the user input information is transmitted through the register message, and is transmitted to the first terminal 110 which is the source terminal through the notification message.
  • FIG. 6 is a diagram illustrating an operation of the second terminal 120 corresponding to the destination terminal according to an embodiment of the present invention.
  • the second terminal 120 receives user input information indicating a request for movement of media provided through a media session between the source terminal, that is, the first terminal 110 and the remote terminal, through the user input signal (610). To this end, the second terminal 120 may provide a user interface screen for receiving user input information indicating a media movement request.
  • the user input information may include identification information for distinguishing a media movement request of the target terminal, source terminal identification information for which a media session for which a movement requested media is provided, media type information of media to be moved included in the media session, and a media session to be moved. It may include service identification information for identifying a service including a.
  • the source terminal identification information may be a SIP URI.
  • the source terminal may be a tel URI identified by a phone number, but is not limited thereto.
  • the media type information may be information indicating a media type of some of the plurality of media provided through the plurality of media sessions between the source terminal and the remote terminal.
  • the second terminal 120 generates a register message requesting the movement of the media according to the media movement request using the user input information (620).
  • User input information may be included in the contact header of the register message.
  • the user input information may be included in an XML body corresponding to the data area of the register message.
  • the second terminal 120 transmits the register message to the IMS entity 150 (630).
  • the second terminal 120 When the second terminal 120 successfully performs the media movement procedure of the IMS entity 150 and the continuity control server 140, the second terminal 120 may provide media for providing media indicated by a user input signal between the remote terminals 130.
  • a session may be established (640).
  • FIG. 7 is a diagram illustrating operation of the IMS entity 150 according to an embodiment of the present invention.
  • the IMS entity 150 receives a register message requesting the movement of the media being provided through the media session between the first terminal 110 as the source terminal and the remote terminal 130 from the second terminal 120 as the target terminal ( 710).
  • the IMS entity 150 extracts 720 the information associated with the media move request from the register message.
  • the information related to the media movement request corresponds to user input information input to the second terminal 120. That is, the extracted information may include identification information for distinguishing a media movement request of the target terminal, source terminal identification information on which a media session provided with the movement requested media is set, media type information of the media to be moved included in the media session, and movement. Service identification information identifying a service including the media session.
  • the IMS entity 150 may extract information related to the media move request from the contact header of the register message or the XML body corresponding to the data area of the register message.
  • the IMS entity 150 uses the extracted information to generate a notification message to the source terminal maintaining the media session on the media, informing the state that the register message has been received from the target terminal (730).
  • the notification message includes information extracted in operation 720, that is, user input information input to the second terminal 120.
  • the notification message may include destination terminal identification information for identifying the destination terminal transmitting the register message.
  • the IMS entity 150 transmits the notification message to the first terminal 110, which is the source terminal identified by the source terminal identification information included in the extracted information (740).
  • the IMS entity 150 determines that the message requesting the movement of the media corresponding to the information related to the media movement request extracted from the register message is transmitted by the first terminal 110 as the source terminal (750), Perform media movement procedure (760).
  • FIG. 8 is a diagram illustrating an operation of a first terminal 110 corresponding to a source terminal according to an embodiment of the present invention.
  • the first terminal 110 discovers a potential terminal device capable of moving media to confirm user information of the potential terminal device and media processing capability of the potential terminal device (810).
  • the first terminal 110 receives a notification message from the IMS entity 150 indicating a state in which a register message for requesting movement of the media being provided through a media session connected between the source terminal and the remote terminal is received (820). .
  • the first terminal 110 processes the notification message to determine whether to move the media to the destination terminal (830).
  • the first terminal 110 may include identification information for distinguishing a media movement request of the target terminal from the notification message, source terminal identification information for establishing an existing media session between the source terminal and the remote terminal, and media of the media to be moved included in the existing media session.
  • Service identification information identifying a service including type information and a media session to be moved may be extracted.
  • the extracted information may be performed using the extracted information of the discovery result and the processing result of the notification message. For example, the first terminal 110 checks whether the extracted source terminal identification information matches its own terminal identification information, and the extracted media identification information corresponds to the media identification information set by the remote terminal 130. In operation 810, it may be determined whether the target terminal has the capability to process the requested media session using the target terminal identification information transmitted through the notification message.
  • the first terminal 110 determines to move the media to the target terminal, the first terminal 110 transmits a message to the continuity control server 140 requesting to move the media to the target terminal (840).
  • the first terminal 120 may be moved to the second terminal 120 and the remaining media session may be maintained. have.
  • FIG. 9 is a view showing the configuration of the second terminal 120 according to an embodiment of the present invention.
  • the second terminal 120 may be a target terminal requesting a movement of media provided through a media session established between the first terminal 110, which is a source terminal, and the remote terminal 130.
  • the second terminal 120 may include a data processor 910, a user input unit 920, and a communication unit 930.
  • the data processor 910 may be configured to control overall operations of the second terminal 120 and to process a message according to session processing and SIP.
  • the data processor 910 may include a session processor 912 and a register message generator 914.
  • the user input unit 920 receives user input information indicating a request for movement of media provided through a media session between a source terminal and a remote terminal.
  • the user input information may include identification information for distinguishing a media movement request of the target terminal, source terminal identification information for which a media session for which a movement requested media is provided, media type information of media to be moved included in the media session, and a media session to be moved. It includes service identification information for identifying a service including a.
  • the session processing unit 912 performs session related processing such as setting up and canceling a media session and a service session.
  • the register message generator 914 generates a register message for requesting the movement of the media according to the media movement request using the user input information.
  • the communication unit 930 performs communication with devices connected through a network, for example, the continuity control server 140, the IMS entity 150, and the remote terminal 130.
  • the register message generator 914 When the register message generator 914 generates a register message, the register message is transmitted to the IMS entity 150 through the communication unit 930.
  • FIG. 10 is a diagram illustrating a configuration of the IMS entity 150 according to an embodiment of the present invention.
  • the IMS entity 150 may include a media processing unit 1010 and a networking unit 1020.
  • the networking unit 1020 receives a register message requesting the movement of the media being provided through the media session between the source terminal and the remote terminal from the target terminal.
  • the media processing unit 1010 operates to provide an IMS function.
  • the media processing unit 1010 extracts information related to the media movement request from the register message, and displays a state in which a register message is received from the target terminal as a source terminal that maintains a media session with respect to the movement requested media using the extracted information.
  • An alert generates a notification message.
  • Information related to the media movement request corresponds to user input information input to the second terminal 120.
  • the notification message may include identification information identifying the destination terminal transmitting the register message in addition to the information related to the media movement request extracted from the register message.
  • the generated notification message is transmitted to the source terminal through the networking unit 1020.
  • FIG. 11 is a diagram illustrating a configuration of a first terminal 110 according to an embodiment of the present invention.
  • the first terminal 110 may include a data processor 1110 and a communication unit 1120.
  • the communication unit 1120 receives a notification message from the IMS entity 150 indicating a state in which a register message for requesting a movement of the media being provided through the media session connected between the source terminal and the remote terminal is received from the destination terminal.
  • the data processor 1110 may include a session processor 112 and a notification message processor 114.
  • the session processor 1112 performs session related processing such as setting up and canceling a media session and a service session.
  • the session processor 1112 may discover a potential terminal device capable of moving media, so as to confirm user information of the potential terminal device and media processing capability of the potential terminal device.
  • the notification message processing unit 1114 processes the notification message to determine whether to move the media to the target terminal.
  • the notification message processing unit 1114 may determine whether to move the media to the target terminal by using the discovery result and the information extracted as a result of the processing of the notification message.
  • the notification message processor 1114 may control the communication unit 1120 to transmit a message requesting to move the media to the target terminal to the continuity control server 140.
  • the present invention even if the session information currently being serviced is not known in advance, it is possible to enable session movement and media movement between terminals.
  • the continuity of multimedia services through session or media movement between terminals in any situation, thereby increasing service satisfaction of users.
  • Computer-readable recording media include all kinds of recording devices that store data that can be read by a computer system. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical disk, and the like.
  • the computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Computer And Data Communications (AREA)
PCT/KR2012/000325 2011-01-14 2012-01-13 세션정보 부재시 단말간 세션 이동 제어 시스템 및 방법 WO2012096542A2 (ko)

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KR1020110121837A KR101526492B1 (ko) 2011-01-14 2011-11-21 세션정보 부재시 단말간 세션 이동 제어 시스템 및 방법
DE112012000480T DE112012000480T5 (de) 2011-01-14 2012-01-13 System und Verfahren zum Steuern von Sitzungsmobilität zwischen Endgeräten, wenn Sitzungsinformationen fehlen

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KR10-2011-0004267 2011-01-14
KR20110004267 2011-01-14
KR1020110121837A KR101526492B1 (ko) 2011-01-14 2011-11-21 세션정보 부재시 단말간 세션 이동 제어 시스템 및 방법
KR10-2011-0121837 2011-11-21

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100012082A (ko) * 2008-07-28 2010-02-05 삼성전자주식회사 미디어별로 세션을 이동시키기 위한 시스템 및 방법
US20100036958A1 (en) * 2008-08-06 2010-02-11 Futurewei Technologies, Inc. Remote Session Control
US20100312834A1 (en) * 2009-05-14 2010-12-09 Serhad Doken Maintaining Controllee Information in Collaborative Sessions

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8340626B2 (en) * 2006-04-28 2012-12-25 Qualcomm Incorporated System and method for supporting voice call continuity for VOIP emergency calls

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100012082A (ko) * 2008-07-28 2010-02-05 삼성전자주식회사 미디어별로 세션을 이동시키기 위한 시스템 및 방법
US20100036958A1 (en) * 2008-08-06 2010-02-11 Futurewei Technologies, Inc. Remote Session Control
US20100312834A1 (en) * 2009-05-14 2010-12-09 Serhad Doken Maintaining Controllee Information in Collaborative Sessions

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KR101526492B1 (ko) 2015-06-08
WO2012096542A3 (ko) 2012-12-06
KR20120082806A (ko) 2012-07-24
DE112012000480T5 (de) 2013-10-24

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